diff --git a/en-US/C-Language.adoc b/en-US/C-Language.adoc
index 54204cc..248bfa9 100644
--- a/en-US/C-Language.adoc
+++ b/en-US/C-Language.adoc
@@ -111,9 +111,9 @@ additions have to be checked in this way.
 .Overflow checking for unsigned addition
 ====
 
+[source,c]
 ----
 include::snippets/C-Arithmetic-add_unsigned.adoc[]
-
 ----
 
 ====
@@ -130,7 +130,6 @@ see <<ex-Defensive_Coding-C-Arithmetic-mult>>.
 [source,c]
 ----
 include::snippets/C-Arithmetic-mult.adoc[]
-
 ----
 
 ====