rst fix

diff --git a/docs/src/tutorial/clibraries.rst b/docs/src/tutorial/clibraries.rst
index 2b6f608..c3409bc 100644 (file)
--- a/docs/src/tutorial/clibraries.rst
+++ b/docs/src/tutorial/clibraries.rst
@@ -553,7 +553,7 @@ signature that we can pass into the C-API function::
 
 The main idea is to pass a pointer (a.k.a. borrowed reference) to the
 function object as the user context argument. We will call the C-API
-function as follows:
+function as follows::
 
     def pop_until(self, python_predicate_function):
         result = cqueue.queue_pop_head_until(