diff --git a/Doc/lib/libsgmllib.tex b/Doc/lib/libsgmllib.tex
index 19ce91c803e..44ed3ca0f91 100644
--- a/Doc/lib/libsgmllib.tex
+++ b/Doc/lib/libsgmllib.tex
@@ -36,7 +36,7 @@ spaces, tabs, and newlines are allowed between the trailing
 The \code{SGMLParser} class must be instantiated without arguments.
 It has the following interface methods:
 
-\renewcommand{\indexsubitem}{({\tt SGMLParser} method)}
+\renewcommand{\indexsubitem}{(SGMLParser method)}
 
 \begin{funcdesc}{reset}{}
 Reset the instance.  Loses all unprocessed data.  This is called
diff --git a/Doc/libsgmllib.tex b/Doc/libsgmllib.tex
index 19ce91c803e..44ed3ca0f91 100644
--- a/Doc/libsgmllib.tex
+++ b/Doc/libsgmllib.tex
@@ -36,7 +36,7 @@ spaces, tabs, and newlines are allowed between the trailing
 The \code{SGMLParser} class must be instantiated without arguments.
 It has the following interface methods:
 
-\renewcommand{\indexsubitem}{({\tt SGMLParser} method)}
+\renewcommand{\indexsubitem}{(SGMLParser method)}
 
 \begin{funcdesc}{reset}{}
 Reset the instance.  Loses all unprocessed data.  This is called