diff --git a/doc/emacs/search.texi b/doc/emacs/search.texi
index ae22a90a16b..9611d341860 100644
--- a/doc/emacs/search.texi
+++ b/doc/emacs/search.texi
@@ -665,6 +665,8 @@ matching}) has no effect on them.
 @kindex M-s M-w
 @findex eww-search-words
 @vindex eww-search-prefix
+@cindex Internet search
+@cindex search Internet for keywords
   To search the Web for the text in region, type @kbd{M-s M-w}.  This
 command performs an Internet search for the words in region using the
 search engine whose @acronym{URL} is specified by the variable