--- flex-2.5.35/doc/flex.texi
+++ flex-2.5.35/doc/flex.texi
@@ -8,9 +8,10 @@
 @defindex hk
 @c  "Options" index
 @defindex op
-@dircategory Programming
+@dircategory Software development
 @direntry
-* flex: (flex).      Fast lexical analyzer generator (lex replacement).
+* flex: (flex).                                 Fast lexical analyzer generator
+                                                (lex replacement).
 @end direntry
 @c %**end of header