diff --git automake-1.18-orig/doc/automake-history.texi automake-1.18/doc/automake-history.texi
index 355e0d5..a01b052 100644
--- automake-1.18-orig/doc/automake-history.texi
+++ automake-1.18/doc/automake-history.texi
@@ -1,7 +1,7 @@
 \input texinfo   @c -*-texinfo-*-
 @c %**start of header
-@setfilename automake-history.info
-@settitle automake-history
+@setfilename automake-history1.18.info
+@settitle automake-history1.18
 @setchapternewpage on
 @c %**end of header
 
diff --git automake-1.18-orig/doc/automake.texi automake-1.18/doc/automake.texi
index 2f7d4a3..77ea767 100644
--- automake-1.18-orig/doc/automake.texi
+++ automake-1.18/doc/automake.texi
@@ -1,7 +1,7 @@
 \input texinfo   @c -*-texinfo-*-
 @c %**start of header
-@setfilename automake.info
-@settitle automake
+@setfilename automake1.18.info
+@settitle automake1.18
 @documentencoding UTF-8
 @documentlanguage en
 @setchapternewpage off
@@ -40,13 +40,13 @@ section entitled ``GNU Free Documentation License.''
 
 @dircategory Software development
 @direntry
-* Automake: (automake).         Making GNU standards-compliant Makefiles.
+* Automake1.18: (automake).         Making GNU standards-compliant Makefiles.
 @end direntry
 
 @dircategory Individual utilities
 @direntry
-* aclocal-invocation: (automake)aclocal Invocation.   Generating aclocal.m4.
-* automake-invocation: (automake)automake Invocation. Generating Makefile.in.
+* aclocal-1.18-invocation: (automake)aclocal Invocation.   Generating aclocal.m4.
+* automake-1.18-invocation: (automake)automake Invocation. Generating Makefile.in.
 @end direntry
 
 @titlepage
