diff --git a/mozilla/mailnews/base/src/nsMsgAccountDataSource.cpp b/mozilla/mailnews/base/src/nsMsgAccountDataSource.cpp
index c1e0737acd7..d3f45b18828 100644
--- a/mozilla/mailnews/base/src/nsMsgAccountDataSource.cpp
+++ b/mozilla/mailnews/base/src/nsMsgAccountDataSource.cpp
@@ -53,7 +53,7 @@ public:
                        PRBool aTruthValue,
                        nsIRDFNode **_retval);
 
-  /* nsIRDFAssertionCursor GetTargets (in nsIRDFResource aSource, in nsIRDFResource aProperty, in boolean aTruthValue); */
+  /* nsISimpleEnumerator GetTargets (in nsIRDFResource aSource, in nsIRDFResource aProperty, in boolean aTruthValue); */
   NS_IMETHOD GetTargets(nsIRDFResource *source,
                         nsIRDFResource *aProperty,
                         PRBool aTruthValue,