diff --git a/doc/developer.rst b/doc/developer.rst
index 8cbc8c3b0..d3683a358 100644
--- a/doc/developer.rst
+++ b/doc/developer.rst
@@ -20,6 +20,7 @@ Some example code:
 
 .. code-block:: c
 
+    int
     Foo(const char *abc, int xyz)
     {
         if (abc == nullptr) {