diff --git a/Doc/lib/libcode.tex b/Doc/lib/libcode.tex
index dd62173cdc0..a2d77fe4f60 100644
--- a/Doc/lib/libcode.tex
+++ b/Doc/lib/libcode.tex
@@ -9,8 +9,7 @@ The \code{code} module defines the following functions:
 
 \renewcommand{\indexsubitem}{(in module code)}
 
-\begin{funcdesc}{compile_command}{source\,
-\optional{filename\optional{\, symbol}}}
+\begin{funcdesc}{compile_command}{source, \optional{filename\optional{, symbol}}}
 This function is useful for programs that want to emulate Python's
 interpreter main loop (a.k.a. the read-eval-print loop).  The tricky
 part is to determine when the user has entered an incomplete command
diff --git a/Doc/libcode.tex b/Doc/libcode.tex
index dd62173cdc0..a2d77fe4f60 100644
--- a/Doc/libcode.tex
+++ b/Doc/libcode.tex
@@ -9,8 +9,7 @@ The \code{code} module defines the following functions:
 
 \renewcommand{\indexsubitem}{(in module code)}
 
-\begin{funcdesc}{compile_command}{source\,
-\optional{filename\optional{\, symbol}}}
+\begin{funcdesc}{compile_command}{source, \optional{filename\optional{, symbol}}}
 This function is useful for programs that want to emulate Python's
 interpreter main loop (a.k.a. the read-eval-print loop).  The tricky
 part is to determine when the user has entered an incomplete command