diff --git a/Doc/lib/libsimplexmlrpc.tex b/Doc/lib/libsimplexmlrpc.tex
index 7a9786125d5..6b458558cd5 100644
--- a/Doc/lib/libsimplexmlrpc.tex
+++ b/Doc/lib/libsimplexmlrpc.tex
@@ -15,7 +15,7 @@ CGI environment, using \class{CGIXMLRPCRequestHandler}.
 
 \begin{classdesc}{SimpleXMLRPCServer}{addr\optional{,
                                       requestHandler\optional{,
-					logRequests\optional{allow_none\optional{, encoding}}}}}
+					logRequests\optional{, allow_none\optional{, encoding}}}}}
 
   Create a new server instance.  This class
   provides methods for registration of functions that can be called by