diff --git a/language/types.xml b/language/types.xml
index 71fe3f6d5d..cc623f9ab3 100644
--- a/language/types.xml
+++ b/language/types.xml
@@ -157,7 +157,7 @@ if (is_int($an_int)) {
     $an_int += 4;
 }
 
-// If $bool is a string, print it out
+// If $a_bool is a string, print it out
 // (does not print out anything)
 if (is_string($a_bool)) {
     echo "String: $a_bool";