diff --git a/tzpfms.pdf b/tzpfms.pdf
index e027e84..02b2f9d 100644
Binary files a/tzpfms.pdf and b/tzpfms.pdf differ
diff --git a/tzpfms.ps b/tzpfms.ps
index 1128d2c..cb46e43 100644
--- a/tzpfms.ps
+++ b/tzpfms.ps
@@ -1,6 +1,6 @@
 %!PS-Adobe-3.0
 %%Creator: groff version 1.22.4
-%%CreationDate: Fri Oct 15 21:38:47 2021
+%%CreationDate: Sun Oct 17 00:24:42 2021
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 %%+ font Times-Bold
 %%+ font Courier-Bold
@@ -308,8 +308,8 @@ Q($)102 630 Q F2 1.666(zfs-tpm-list \255b)6 F F1(TPM2)6 E F4
 (NAME BACK-END KEYSTATUS COHERENT)102 642 Q
 (owo/venc TPM2 unavailable yes)102 654 Q($)102 678 Q F2 1.666
 (zfs-tpm-list \255ra)6 F F3(owo)6 E F4(NAME BACK-END KEYSTATUS COHERENT)
-102 690 Q(owo/venc TPM2 unavailable yes)102 702 Q F0(tzpfms 0.1-6)72 750
-Q(October 15, 2021)148.595 E(1)194.145 E 0 Cg EP
+102 690 Q(owo/venc TPM2 unavailable yes)102 702 Q F0(tzpfms 0.1-7)72 750
+Q(October 17, 2021)148.595 E(1)194.145 E 0 Cg EP
 %%Page: 2 2
 %%BeginPageSetup
 BP
@@ -331,7 +331,7 @@ Q(owo/vtnc - available yes)102 180 Q(owo/v nc - available yes)102 192 Q
 -.15(ve)-.25 G 2.5(da).15 G(t)-2.5 E F3(https://lists.sr)2.5 E
 (.ht/~nabijaczleweli/tzpfms)-1 E F0(.)A F3 1.666(SEE ALSO)72 342 R
 (https://git.sr)102 354 Q(.ht/~nabijaczleweli/tzpfms)-1 E F0
-(tzpfms 0.1-6)72 750 Q(October 15, 2021)148.595 E(2)194.145 E 0 Cg EP
+(tzpfms 0.1-7)72 750 Q(October 17, 2021)148.595 E(2)194.145 E 0 Cg EP
 %%Page: 3 3
 %%BeginPageSetup
 BP
@@ -419,8 +419,8 @@ F0(Sa)191 618 Q .806 -.15(ve a b)-.2 H .506(ack-up of the k).15 F .805
 (case of a catastrophic e)3.181 F -.15(ve)-.25 G .682(nt, the k).15 F
 .982 -.15(ey c)-.1 H(an).15 E(be loaded by running)191 642 Q F2
 (zfs load-key)221 654 Q F3(dataset)6 E F5(<)6 E F3(backup-file)6 E F1
-1.666(TPM1.X back-end con\214guration)72 678 R F0(tzpfms 0.1-6)72 750 Q
-(October 15, 2021)148.595 E(3)194.145 E 0 Cg EP
+1.666(TPM1.X back-end con\214guration)72 678 R F0(tzpfms 0.1-7)72 750 Q
+(October 17, 2021)148.595 E(3)194.145 E 0 Cg EP
 %%Page: 4 4
 %%BeginPageSetup
 BP
@@ -454,7 +454,7 @@ E(ousers)-.18 E F0(.)A 5.109(The TPM 1.2 main speci\214cation inde)102
 -.15(ve)-.25 G 2.5(da).15 G(t)-2.5 E F1(https://lists.sr)2.5 E
 (.ht/~nabijaczleweli/tzpfms)-1 E F0(.)A F1 1.666(SEE ALSO)72 354 R
 (https://git.sr)102 366 Q(.ht/~nabijaczleweli/tzpfms)-1 E F0
-(tzpfms 0.1-6)72 750 Q(October 15, 2021)148.595 E(4)194.145 E 0 Cg EP
+(tzpfms 0.1-7)72 750 Q(October 17, 2021)148.595 E(4)194.145 E 0 Cg EP
 %%Page: 5 5
 %%BeginPageSetup
 BP
@@ -504,7 +504,7 @@ E(ousers)-.18 E F0(.)A 5.109(The TPM 1.2 main speci\214cation inde)102
 -.15(ve)-.25 G 2.5(da).15 G(t)-2.5 E F1(https://lists.sr)2.5 E
 (.ht/~nabijaczleweli/tzpfms)-1 E F0(.)A F1 1.666(SEE ALSO)72 528 R
 (https://git.sr)102 540 Q(.ht/~nabijaczleweli/tzpfms)-1 E F0
-(tzpfms 0.1-6)72 750 Q(October 15, 2021)148.595 E(5)194.145 E 0 Cg EP
+(tzpfms 0.1-7)72 750 Q(October 17, 2021)148.595 E(5)194.145 E 0 Cg EP
 %%Page: 6 6
 %%BeginPageSetup
 BP
@@ -560,7 +560,7 @@ E(ousers)-.18 E F0(.)A 5.109(The TPM 1.2 main speci\214cation inde)102
 -.15(ve)-.25 G 2.5(da).15 G(t)-2.5 E F1(https://lists.sr)2.5 E
 (.ht/~nabijaczleweli/tzpfms)-1 E F0(.)A F1 1.666(SEE ALSO)72 594 R
 (https://git.sr)102 606 Q(.ht/~nabijaczleweli/tzpfms)-1 E F0
-(tzpfms 0.1-6)72 750 Q(October 15, 2021)148.595 E(6)194.145 E 0 Cg EP
+(tzpfms 0.1-7)72 750 Q(October 17, 2021)148.595 E(6)194.145 E 0 Cg EP
 %%Page: 7 7
 %%BeginPageSetup
 BP
@@ -652,7 +652,7 @@ F(This)5.505 E(back-up)191 630 Q F4(must)3.181 E F0 .681
 .682(nt, the k).15 F .982 -.15(ey c)-.1 H(an).15 E(be loaded by running)
 191 642 Q F2(zfs load-key)221 654 Q F3(dataset)6 E F5(<)6 E F3
 (backup-file)6 E F1 1.666(TPM2 back-end con\214guration)72 678 R F0
-(tzpfms 0.1-6)72 750 Q(October 15, 2021)148.595 E(7)194.145 E 0 Cg EP
+(tzpfms 0.1-7)72 750 Q(October 17, 2021)148.595 E(7)194.145 E 0 Cg EP
 %%Page: 8 8
 %%BeginPageSetup
 BP
@@ -691,8 +691,8 @@ E F0 .576(will be tried,)3.076 F(in order)102 168 Q 1.666(\(s)4.166 G
 -.15(ve)-.25 G 2.5(da).15 G(t)-2.5 E F1(https://lists.sr)2.5 E
 (.ht/~nabijaczleweli/tzpfms)-1 E F0(.)A F1 1.666(SEE ALSO)72 384 R F2
 (tpm2_unseal)102 396 Q F0(\(1\))A F1(https://git.sr)102 414 Q
-(.ht/~nabijaczleweli/tzpfms)-1 E F0(tzpfms 0.1-6)72 750 Q
-(October 15, 2021)148.595 E(8)194.145 E 0 Cg EP
+(.ht/~nabijaczleweli/tzpfms)-1 E F0(tzpfms 0.1-7)72 750 Q
+(October 17, 2021)148.595 E(8)194.145 E 0 Cg EP
 %%Page: 9 9
 %%BeginPageSetup
 BP
@@ -747,7 +747,7 @@ E F0 .575(will be tried,)3.076 F(in order)102 354 Q 1.666(\(s)4.166 G
 -.15(ve)-.25 G 2.5(da).15 G(t)-2.5 E F1(https://lists.sr)2.5 E
 (.ht/~nabijaczleweli/tzpfms)-1 E F0(.)A F1 1.666(SEE ALSO)72 570 R
 (https://git.sr)102 582 Q(.ht/~nabijaczleweli/tzpfms)-1 E F0
-(tzpfms 0.1-6)72 750 Q(October 15, 2021)148.595 E(9)194.145 E 0 Cg EP
+(tzpfms 0.1-7)72 750 Q(October 17, 2021)148.595 E(9)194.145 E 0 Cg EP
 %%Page: 10 10
 %%BeginPageSetup
 BP
@@ -797,7 +797,7 @@ E(ousers)-.18 E F0(.)A 5.108(The TPM 1.2 main speci\214cation inde)102
 -.15(ve)-.25 G 2.5(da).15 G(t)-2.5 E F1(https://lists.sr)2.5 E
 (.ht/~nabijaczleweli/tzpfms)-1 E F0(.)A F1 1.666(SEE ALSO)72 564 R
 (https://git.sr)102 576 Q(.ht/~nabijaczleweli/tzpfms)-1 E F0
-(tzpfms 0.1-6)72 750 Q(October 15, 2021)148.595 E(10)189.145 E 0 Cg EP
+(tzpfms 0.1-7)72 750 Q(October 17, 2021)148.595 E(10)189.145 E 0 Cg EP
 %%Trailer
 end
 %%EOF
diff --git a/zfs-tpm-list.8 b/zfs-tpm-list.8
index 5c674a4..0623148 100644
--- a/zfs-tpm-list.8
+++ b/zfs-tpm-list.8
@@ -1,7 +1,9 @@
-.Dd October 15, 2021
+.\" SPDX-License-Identifier: MIT
+.
+.Dd October 17, 2021
 .ds doc-volume-operating-system
 .Dt ZFS-TPM-LIST 8
-.Os tzpfms 0.1-6
+.Os tzpfms 0.1-7
 .
 .Sh NAME
 .Nm zfs-tpm-list
@@ -115,6 +117,8 @@ owo/v nc - available yes
 owo/enc TPM1.X available yes
 .Ed
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh SPECIAL THANKS
 To all who support further development, in particular:
 .Bl -bullet -offset 4n -compact -width 0
diff --git a/zfs-tpm-list.8.html b/zfs-tpm-list.8.html
index c6049f8..f791972 100644
--- a/zfs-tpm-list.8.html
+++ b/zfs-tpm-list.8.html
@@ -1,5 +1,8 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   SPDX-License-Identifier: MIT
+ -->
 <head>
   <meta charset="utf-8"/>
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
@@ -167,8 +170,8 @@ owo/enc TPM1.X available yes</div>
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">October 15, 2021</td>
-    <td class="foot-os">tzpfms 0.1-6</td>
+    <td class="foot-date">October 17, 2021</td>
+    <td class="foot-os">tzpfms 0.1-7</td>
   </tr>
 </table>
 </body>
diff --git a/zfs-tpm1x-change-key.8 b/zfs-tpm1x-change-key.8
index 564aa9b..2ab4905 100644
--- a/zfs-tpm1x-change-key.8
+++ b/zfs-tpm1x-change-key.8
@@ -1,7 +1,9 @@
-.Dd October 15, 2021
+.\" SPDX-License-Identifier: MIT
+.
+.Dd October 17, 2021
 .ds doc-volume-operating-system
 .Dt ZFS-TPM1X-CHANGE-KEY 8
-.Os tzpfms 0.1-6
+.Os tzpfms 0.1-7
 .
 .Sh NAME
 .Nm zfs-tpm1x-change-key
@@ -100,6 +102,8 @@ In case of a catastrophic event, the key can be loaded by running
 .Dl Nm zfs Cm load-key Ar dataset Li < Ar backup-file
 .El
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh TPM1.X back-end configuration
 .Ss TPM selection
 The
@@ -130,6 +134,8 @@ The TrouSerS project page at
 The TPM 1.2 main specification index at
 .Lk https:/\&/trustedcomputinggroup.org/resource/tpm-main-specification .
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh SPECIAL THANKS
 To all who support further development, in particular:
 .Bl -bullet -offset 4n -compact -width 0
diff --git a/zfs-tpm1x-change-key.8.html b/zfs-tpm1x-change-key.8.html
index 4619974..e6acf45 100644
--- a/zfs-tpm1x-change-key.8.html
+++ b/zfs-tpm1x-change-key.8.html
@@ -1,5 +1,8 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   SPDX-License-Identifier: MIT
+ -->
 <head>
   <meta charset="utf-8"/>
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
@@ -162,8 +165,8 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">October 15, 2021</td>
-    <td class="foot-os">tzpfms 0.1-6</td>
+    <td class="foot-date">October 17, 2021</td>
+    <td class="foot-os">tzpfms 0.1-7</td>
   </tr>
 </table>
 </body>
diff --git a/zfs-tpm1x-clear-key.8 b/zfs-tpm1x-clear-key.8
index 07c2f7c..e311c95 100644
--- a/zfs-tpm1x-clear-key.8
+++ b/zfs-tpm1x-clear-key.8
@@ -1,7 +1,9 @@
-.Dd October 15, 2021
+.\" SPDX-License-Identifier: MIT
+.
+.Dd October 17, 2021
 .ds doc-volume-operating-system
 .Dt ZFS-TPM1X-CLEAR-KEY 8
-.Os tzpfms 0.1-6
+.Os tzpfms 0.1-7
 .
 .Sh NAME
 .Nm zfs-tpm1x-clear-key
@@ -32,6 +34,8 @@ See
 .Xr zfs-tpm1x-change-key 8
 for a detailed description.
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh TPM1.X back-end configuration
 .Ss TPM selection
 The
@@ -62,6 +66,8 @@ The TrouSerS project page at
 The TPM 1.2 main specification index at
 .Lk https:/\&/trustedcomputinggroup.org/resource/tpm-main-specification .
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh SPECIAL THANKS
 To all who support further development, in particular:
 .Bl -bullet -offset 4n -compact -width 0
diff --git a/zfs-tpm1x-clear-key.8.html b/zfs-tpm1x-clear-key.8.html
index 9b4766f..57e3689 100644
--- a/zfs-tpm1x-clear-key.8.html
+++ b/zfs-tpm1x-clear-key.8.html
@@ -1,5 +1,8 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   SPDX-License-Identifier: MIT
+ -->
 <head>
   <meta charset="utf-8"/>
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
@@ -102,8 +105,8 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">October 15, 2021</td>
-    <td class="foot-os">tzpfms 0.1-6</td>
+    <td class="foot-date">October 17, 2021</td>
+    <td class="foot-os">tzpfms 0.1-7</td>
   </tr>
 </table>
 </body>
diff --git a/zfs-tpm1x-load-key.8 b/zfs-tpm1x-load-key.8
index 36e9e20..f4d509c 100644
--- a/zfs-tpm1x-load-key.8
+++ b/zfs-tpm1x-load-key.8
@@ -1,7 +1,9 @@
-.Dd October 15, 2021
+.\" SPDX-License-Identifier: MIT
+.
+.Dd October 17, 2021
 .ds doc-volume-operating-system
 .Dt ZFS-TPM1X-LOAD-KEY 8
-.Os tzpfms 0.1-6
+.Os tzpfms 0.1-7
 .
 .Sh NAME
 .Nm zfs-tpm1x-load-key
@@ -38,6 +40,8 @@ Equivalent to
 option.
 .El
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh TPM1.X back-end configuration
 .Ss TPM selection
 The
@@ -68,6 +72,8 @@ The TrouSerS project page at
 The TPM 1.2 main specification index at
 .Lk https:/\&/trustedcomputinggroup.org/resource/tpm-main-specification .
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh SPECIAL THANKS
 To all who support further development, in particular:
 .Bl -bullet -offset 4n -compact -width 0
diff --git a/zfs-tpm1x-load-key.8.html b/zfs-tpm1x-load-key.8.html
index 09bd067..0d6ebb0 100644
--- a/zfs-tpm1x-load-key.8.html
+++ b/zfs-tpm1x-load-key.8.html
@@ -1,5 +1,8 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   SPDX-License-Identifier: MIT
+ -->
 <head>
   <meta charset="utf-8"/>
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
@@ -103,8 +106,8 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">October 15, 2021</td>
-    <td class="foot-os">tzpfms 0.1-6</td>
+    <td class="foot-date">October 17, 2021</td>
+    <td class="foot-os">tzpfms 0.1-7</td>
   </tr>
 </table>
 </body>
diff --git a/zfs-tpm2-change-key.8 b/zfs-tpm2-change-key.8
index fe399c3..f57628a 100644
--- a/zfs-tpm2-change-key.8
+++ b/zfs-tpm2-change-key.8
@@ -1,7 +1,9 @@
-.Dd October 15, 2021
+.\" SPDX-License-Identifier: MIT
+.
+.Dd October 17, 2021
 .ds doc-volume-operating-system
 .Dt ZFS-TPM2-CHANGE-KEY 8
-.Os tzpfms 0.1-6
+.Os tzpfms 0.1-7
 .
 .Sh NAME
 .Nm zfs-tpm2-change-key
@@ -97,6 +99,8 @@ In case of a catastrophic event, the key can be loaded by running
 .Dl Nm zfs Cm load-key Ar dataset Li < Ar backup-file
 .El
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh TPM2 back-end configuration
 .Ss Environment variables
 .Bl -tag -compact -width "TSS2_LOG"
@@ -131,6 +135,8 @@ The TPM 2.0 specifications, mainly at
 .Lk https:/\&/trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-1-Architecture-01.38.pdf
 and related pages.
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh SPECIAL THANKS
 To all who support further development, in particular:
 .Bl -bullet -offset 4n -compact -width 0
diff --git a/zfs-tpm2-change-key.8.html b/zfs-tpm2-change-key.8.html
index 1e71fc5..1d09a82 100644
--- a/zfs-tpm2-change-key.8.html
+++ b/zfs-tpm2-change-key.8.html
@@ -1,5 +1,8 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   SPDX-License-Identifier: MIT
+ -->
 <head>
   <meta charset="utf-8"/>
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
@@ -175,8 +178,8 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">October 15, 2021</td>
-    <td class="foot-os">tzpfms 0.1-6</td>
+    <td class="foot-date">October 17, 2021</td>
+    <td class="foot-os">tzpfms 0.1-7</td>
   </tr>
 </table>
 </body>
diff --git a/zfs-tpm2-clear-key.8 b/zfs-tpm2-clear-key.8
index 362141f..a8b1dac 100644
--- a/zfs-tpm2-clear-key.8
+++ b/zfs-tpm2-clear-key.8
@@ -1,7 +1,9 @@
-.Dd October 15, 2021
+.\" SPDX-License-Identifier: MIT
+.
+.Dd October 17, 2021
 .ds doc-volume-operating-system
 .Dt ZFS-TPM2-CLEAR-KEY 8
-.Os tzpfms 0.1-6
+.Os tzpfms 0.1-7
 .
 .Sh NAME
 .Nm zfs-tpm2-clear-key
@@ -35,6 +37,8 @@ See
 .Xr zfs-tpm2-change-key 8
 for a detailed description.
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh TPM2 back-end configuration
 .Ss Environment variables
 .Bl -tag -compact -width "TSS2_LOG"
@@ -69,6 +73,8 @@ The TPM 2.0 specifications, mainly at
 .Lk https:/\&/trustedcomputinggroup.org/wp-content/uploads/TPM-Rev-2.0-Part-1-Architecture-01.38.pdf
 and related pages.
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh SPECIAL THANKS
 To all who support further development, in particular:
 .Bl -bullet -offset 4n -compact -width 0
diff --git a/zfs-tpm2-clear-key.8.html b/zfs-tpm2-clear-key.8.html
index 396ea65..f67cadb 100644
--- a/zfs-tpm2-clear-key.8.html
+++ b/zfs-tpm2-clear-key.8.html
@@ -1,5 +1,8 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   SPDX-License-Identifier: MIT
+ -->
 <head>
   <meta charset="utf-8"/>
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
@@ -117,8 +120,8 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">October 15, 2021</td>
-    <td class="foot-os">tzpfms 0.1-6</td>
+    <td class="foot-date">October 17, 2021</td>
+    <td class="foot-os">tzpfms 0.1-7</td>
   </tr>
 </table>
 </body>
diff --git a/zfs-tpm2-load-key.8 b/zfs-tpm2-load-key.8
index 6ad8753..fe4abe8 100644
--- a/zfs-tpm2-load-key.8
+++ b/zfs-tpm2-load-key.8
@@ -1,7 +1,9 @@
-.Dd October 15, 2021
+.\" SPDX-License-Identifier: MIT
+.
+.Dd October 17, 2021
 .ds doc-volume-operating-system
 .Dt ZFS-TPM2-LOAD-KEY 8
-.Os tzpfms 0.1-6
+.Os tzpfms 0.1-7
 .
 .Sh NAME
 .Nm zfs-tpm2-load-key
@@ -35,6 +37,8 @@ Equivalent to
 option.
 .El
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh TPM1.X back-end configuration
 .Ss TPM selection
 The
@@ -65,6 +69,8 @@ The TrouSerS project page at
 The TPM 1.2 main specification index at
 .Lk https:/\&/trustedcomputinggroup.org/resource/tpm-main-specification .
 .
+.\" SPDX-License-Identifier: MIT
+.
 .Sh SPECIAL THANKS
 To all who support further development, in particular:
 .Bl -bullet -offset 4n -compact -width 0
diff --git a/zfs-tpm2-load-key.8.html b/zfs-tpm2-load-key.8.html
index 159a41c..9304ba6 100644
--- a/zfs-tpm2-load-key.8.html
+++ b/zfs-tpm2-load-key.8.html
@@ -1,5 +1,8 @@
 <!DOCTYPE html>
 <html>
+<!-- This is an automatically generated file.  Do not edit.
+   SPDX-License-Identifier: MIT
+ -->
 <head>
   <meta charset="utf-8"/>
   <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
@@ -100,8 +103,8 @@
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">October 15, 2021</td>
-    <td class="foot-os">tzpfms 0.1-6</td>
+    <td class="foot-date">October 17, 2021</td>
+    <td class="foot-os">tzpfms 0.1-7</td>
   </tr>
 </table>
 </body>