diff --git a/source/developer-guides/bindings/writing-a-vapi-manually/05-00-fundamentals-of-binding-a-c-function/05-01-out-and-reference-parameters-and-return-values.rst b/source/developer-guides/bindings/writing-a-vapi-manually/05-00-fundamentals-of-binding-a-c-function/05-01-out-and-reference-parameters-and-return-values.rst
index 4c92a0a..57d2763 100644
--- a/source/developer-guides/bindings/writing-a-vapi-manually/05-00-fundamentals-of-binding-a-c-function/05-01-out-and-reference-parameters-and-return-values.rst
+++ b/source/developer-guides/bindings/writing-a-vapi-manually/05-00-fundamentals-of-binding-a-c-function/05-01-out-and-reference-parameters-and-return-values.rst
@@ -9,10 +9,10 @@ Consider the following:
 
 .. code-block:: c
 
-int div_and_mod(int a, int b, int *mod) {
-    *mod = a % b;
-    return a / b;
-}
+   int div_and_mod(int a, int b, int *mod) {
+       *mod = a % b;
+       return a / b;
+   }
 
 .. code-block:: vala