diff --git a/companion.py b/companion.py
index 873d96a8..b0e0b69c 100644
--- a/companion.py
+++ b/companion.py
@@ -669,11 +669,11 @@ class Session:
             raise  # Bad thing happened
         if IS_FROZEN:
             tk.messagebox.showinfo(  # type: ignore
-                title=tr.tl("Authentication Successful"),
+                title=tr.tl("Authentication Successful"),  # LANG: Messagebox title authentication successful
                 message=tr.tl(
                     "Authentication with cAPI Successful.{CR}"
                     "You may now close the Frontier login tab if it is still open."
-                ).format(CR="\n")
+                ).format(CR="\n")  # LANG: Messagebox body after successful CAPI authentication
             )
 
     def close(self) -> None: