diff --git a/Doc/ext/extending.tex b/Doc/ext/extending.tex
index d77a714..2c0900e 100644
--- a/Doc/ext/extending.tex
+++ b/Doc/ext/extending.tex
@@ -996,11 +996,13 @@
      * only take two PyObject* parameters, and keywdarg_parrot() takes
      * three.
      */
-    {"parrot", (PyCFunction)keywdarg_parrot, METH_VARARGS|METH_KEYWORDS,
+    {"parrot", (PyCFunction)keywdarg_parrot, METH_VARARGS | METH_KEYWORDS,
      "Print a lovely skit to standard output."},
     {NULL, NULL, 0, NULL}   /* sentinel */
 };
+\end{verbatim}
 
+\begin{verbatim}
 void
 initkeywdarg(void)
 {