diff --git a/doc/man/wesnoth.6 b/doc/man/wesnoth.6
index d7fd3e50b87..c81254aaaac 100644
--- a/doc/man/wesnoth.6
+++ b/doc/man/wesnoth.6
@@ -42,6 +42,10 @@ sets BitsPerPixel value. Example: --bpp 32
 .BR -d , \ --debug
 shows some extra debugging informations and options in-game.
 
+.TP
+.BR --decompress <infile> <outfile>
+decompresses a savefile (infile) that is a WML-Binary into a normal textfile (outfile).
+
 .TP
 .BR -f , \ --fullscreen
 runs the game in full screen mode.
@@ -120,7 +124,7 @@ sets additional parameters for this side. This parameter depends on the options
 .B --controller 
 and
 .B --algorithm.
-It should only be usefull for people designing their own AI. (not yet documented completely)
+It should only be useful for people designing their own AI. (not yet documented completely)
 
 .TP
 .BR --side<number>=value