doc: correct a diagnostic in man page to match actual

* gzip.1: s/no change/unchanged/
This addresses http://debbugs.gnu.org/22413

diff --git a/gzip.1 b/gzip.1
index 255adaab214cad391a8e66d1037110ec71e2f6b0..07995ea99366a1ae049e1e79168804b099734a62 100644 (file)
--- a/gzip.1
+++ b/gzip.1
@@ -437,7 +437,7 @@ than the decompress code on this machine.
 Recompress the file with gzip, which compresses better and uses
 less memory.
 .TP
-\fIfile\fP\^: already has .gz suffix -- no change
+\fIfile\fP\^: already has .gz suffix -- unchanged
 The file is assumed to be already compressed.
 Rename the file and try again.
 .TP