diff --git a/doc/Manual.html b/doc/Manual.html
index 02d9b1b0c7..bb6be917ce 100644
--- a/doc/Manual.html
+++ b/doc/Manual.html
@@ -43,8 +43,9 @@ describe the version you have.
 about once per month.  This is because it is large, and we don't want
 it to be part of very patch. 
 
-<LI>There is also a Developers.pdf file in the doc directory, which
-describes the internal structure and algorithms of LAMMPS.  
+<LI>There is also a <A HREF = "Developers.pdf">Developers.pdf</A> file in the doc
+directory, which describes the internal structure and algorithms of
+LAMMPS.  
 </UL>
 <P>LAMMPS stands for Large-scale Atomic/Molecular Massively Parallel
 Simulator.
diff --git a/doc/Manual.txt b/doc/Manual.txt
index d9ba65a19c..f3d15998ce 100644
--- a/doc/Manual.txt
+++ b/doc/Manual.txt
@@ -40,8 +40,9 @@ The "PDF file"_Manual.pdf on the WWW site or in the tarball is updated
 about once per month.  This is because it is large, and we don't want
 it to be part of very patch. :l
 
-There is also a Developers.pdf file in the doc directory, which
-describes the internal structure and algorithms of LAMMPS.  :ule,l
+There is also a "Developers.pdf"_Developers.pdf file in the doc
+directory, which describes the internal structure and algorithms of
+LAMMPS.  :ule,l
 
 LAMMPS stands for Large-scale Atomic/Molecular Massively Parallel
 Simulator.