diff --git a/Documentation/technical/api-hashmap.txt b/Documentation/technical/api-hashmap.txt
index 42ca2347ed..b977ae8bbb 100644
--- a/Documentation/technical/api-hashmap.txt
+++ b/Documentation/technical/api-hashmap.txt
@@ -166,7 +166,6 @@ Usage example
 -------------
 
 Here's a simple usage example that maps long keys to double values.
-[source,c]
 ------------
 struct hashmap map;