diff --git a/python/ql/src/semmle/python/SpecialMethods.qll b/python/ql/src/semmle/python/SpecialMethods.qll
index 53206ca657a..a180ee9253d 100644
--- a/python/ql/src/semmle/python/SpecialMethods.qll
+++ b/python/ql/src/semmle/python/SpecialMethods.qll
@@ -102,6 +102,7 @@ module SpecialMethod {
   }
 }
 
+/** A control flow node corresponding to a special method call. */
 class SpecialMethodCallNode extends PotentialSpecialMethodCallNode {
   Value resolvedSpecialMethod;