diff --git a/doc/Section_tools.html b/doc/Section_tools.html
index 504f31e6fa..c9468af1d7 100644
--- a/doc/Section_tools.html
+++ b/doc/Section_tools.html
@@ -51,9 +51,9 @@ own sub-directories with their own Makefiles.
 <LI><A HREF = "#data">data2xmovie</A>
 <LI><A HREF = "#eamdb">eam database</A>
 <LI><A HREF = "#eamgn">eam generate</A>
-<LI>"eff_#eff
-<LI>"emacs_#emacs
-<LI>"ipp_#ipp
+<LI><A HREF = "#eff">eff</A>
+<LI><A HREF = "#emacs">emacs</A>
+<LI><A HREF = "#ipp">ipp</A>
 <LI><A HREF = "#arc">lmp2arc</A>
 <LI><A HREF = "#cfg">lmp2cfg</A>
 <LI><A HREF = "#traj">lmp2traj</A>
diff --git a/doc/Section_tools.txt b/doc/Section_tools.txt
index 6801603362..b1aff56261 100644
--- a/doc/Section_tools.txt
+++ b/doc/Section_tools.txt
@@ -47,9 +47,9 @@ own sub-directories with their own Makefiles.
 "data2xmovie"_#data
 "eam database"_#eamdb
 "eam generate"_#eamgn
-"eff_#eff
-"emacs_#emacs
-"ipp_#ipp
+"eff"_#eff
+"emacs"_#emacs
+"ipp"_#ipp
 "lmp2arc"_#arc
 "lmp2cfg"_#cfg
 "lmp2traj"_#traj