diff --git a/Doc/lib/libpopen2.tex b/Doc/lib/libpopen2.tex
index 71c4631..e484d23 100644
--- a/Doc/lib/libpopen2.tex
+++ b/Doc/lib/libpopen2.tex
@@ -18,14 +18,15 @@
 
 \begin{funcdesc}{popen2}{cmd\optional{, bufsize}}
 Executes \var{cmd} as a sub-process.  If \var{bufsize} is specified, 
-it specifies the buffer size for the I/O pipes.  Returns
-\code{(\var{child_stdout}, \var{child_stdin})}.
+it specifies the buffer size for the I/O pipes.  Returns the file
+objects \code{(\var{child_stdout}, \var{child_stdin})}.
 \end{funcdesc}
 
 \begin{funcdesc}{popen3}{cmd\optional{, bufsize}}
 Executes \var{cmd} as a sub-process.  If \var{bufsize} is specified, 
-it specifies the buffer size for the I/O pipes.  Returns
-\code{(\var{child_stdout}, \var{child_stdin}, \var{child_stderr})}.
+it specifies the buffer size for the I/O pipes.  Returns the file
+objects \code{(\var{child_stdout}, \var{child_stdin},
+\var{child_stderr})}.
 \end{funcdesc}
 
 The class defining the objects returned by the factory functions is