diff --git a/manual/libc.texinfo b/manual/libc.texinfo
index 23dd3ac..fcbdb35 100644
--- a/manual/libc.texinfo
+++ b/manual/libc.texinfo
@@ -14,7 +14,7 @@
 @include macros.texi
 
 @comment Tell install-info what to do.
-@dircategory Software libraries
+@dircategory Libraries
 @direntry
 * Libc: (libc).                 C library.
 @end direntry