X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=m4%2Fgengetopt%2Famp_filter.m4;h=2d4d4ce6ca5166355fa99bdbf28884a2a213daff;hb=f137bcaf03efb0bdb127465f76ee2a9e76a06185;hp=f3907bf42b8eee1b273050940b976a25faff0f70;hpb=533b0303c27fb9ba098bb72e30f41f0939b2dbd2;p=paraslash.git

diff --git a/m4/gengetopt/amp_filter.m4 b/m4/gengetopt/amp_filter.m4
index f3907bf4..2d4d4ce6 100644
--- a/m4/gengetopt/amp_filter.m4
+++ b/m4/gengetopt/amp_filter.m4
@@ -1,5 +1,7 @@
 args "--no-version --no-help"
 
+purpose "Amplify the decoded audio stream."
+
 option "amp" a
 #~~~~~~~~~~~~~
 "amplification value"