diff --git a/doc/Section_tools.html b/doc/Section_tools.html
index c6b44e6fb2..6a4eea174a 100644
--- a/doc/Section_tools.html
+++ b/doc/Section_tools.html
@@ -54,6 +54,7 @@ own sub-directories with their own Makefiles.
 <LI><A HREF = "#eamgn">eam generate</A>
 <LI><A HREF = "#eff">eff</A>
 <LI><A HREF = "#emacs">emacs</A>
+<LI><A HREF = "#fep">fep</A>
 <LI><A HREF = "#ipp">ipp</A>
 <LI><A HREF = "#kate">kate</A>
 <LI><A HREF = "#arc">lmp2arc</A>
@@ -236,6 +237,19 @@ with various highlighting options setup.
 </P>
 <HR>
 
+<H4><A NAME = "fep"></A>fep tool 
+</H4>
+<P>The tools/fep directory contains Python scripts useful for
+post-processing results from performing free-energy perturbation
+simulations using the USER-FEP package.
+</P>
+<P>The scripts were contributed by Agilio Padua (Université Blaise
+Pascal Clermont-Ferrand), agilio.padua at univ-bpclermont.fr.
+</P>
+<P>See README file in the tools/fep directory.
+</P>
+<HR>
+
 <H4><A NAME = "ipp"></A>ipp tool 
 </H4>
 <P>The tools/ipp directory contains a Perl script ipp which can be used
diff --git a/doc/Section_tools.txt b/doc/Section_tools.txt
index 1d0772b96b..956b475866 100644
--- a/doc/Section_tools.txt
+++ b/doc/Section_tools.txt
@@ -50,6 +50,7 @@ own sub-directories with their own Makefiles.
 "eam generate"_#eamgn
 "eff"_#eff
 "emacs"_#emacs
+"fep"_#fep
 "ipp"_#ipp
 "kate"_#kate
 "lmp2arc"_#arc
@@ -232,6 +233,19 @@ These tools were provided by Aidan Thompson at Sandia
 
 :line
 
+fep tool :h4,link(fep)
+
+The tools/fep directory contains Python scripts useful for
+post-processing results from performing free-energy perturbation
+simulations using the USER-FEP package.
+
+The scripts were contributed by Agilio Padua (Université Blaise
+Pascal Clermont-Ferrand), agilio.padua at univ-bpclermont.fr.
+
+See README file in the tools/fep directory.
+
+:line
+
 ipp tool :h4,link(ipp)
 
 The tools/ipp directory contains a Perl script ipp which can be used