diff --git a/Running-from-source.md b/Running-from-source.md
index 0d114e6..5c01cbd 100644
--- a/Running-from-source.md
+++ b/Running-from-source.md
@@ -10,7 +10,7 @@ Mac:
 
 Windows:
 
-* Requires Python2.7 and the Python “keyring”, “requests” and “watchdog” modules, plus “py2exe” 0.6 if you also want to package the app.
+* Requires Python2.7 and the Python “keyring”, “pywin32-ctypes”, “requests” and “watchdog” modules, plus “py2exe” 0.6 if you also want to package the app.
 * Run with `EDMarketConnector.py` .
 
 Linux:
@@ -66,4 +66,4 @@ Windows:
 * requires py2exe 0.6.x
 * winsparkle.dll & .pdb from [WinSparkle](https://github.com/vslavik/winsparkle) copied to the current directory
 * [WiX Toolset](http://wixtoolset.org/)
-* Run `setup.py py2exe`
+* Run `setup.py py2exe`
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