Taken from Debian.

--- gzip-1.3.5/gzip.texi
+++ gzip-1.3.5/gzip.texi
@@ -6,7 +6,14 @@
 @finalout
 @setchapternewpage odd
 @c %**end of header
+@dircategory Utilities
+@direntry
+* gzip: (gzip). 	The gzip command for compressing files.
+@end direntry
+
 @copying
+This file documents the GNU `gzip' command for compressing files.
+
 This manual is for Gzip
 (version @value{VERSION}, @value{UPDATED}),
 and documents commands for compressing and decompressing data.
@@ -31,18 +38,6 @@
 @end quotation
 @end copying
 
-@c Debian install-info (up through at least version 1.9.20) uses only the
-@c first dircategory.  Put this one first, as it is more useful in practice.
-@dircategory Individual utilities
-@direntry
-* gzip: (gzip)Invoking gzip.                    Compress files.
-@end direntry
-
-@dircategory Utilities
-@direntry
-* Gzip: (gzip).                 The gzip command for compressing files.
-@end direntry
-
 @titlepage
 @title gzip
 @subtitle The data compression program