diff --git a/src/ClassModules/SQLCondition.cls b/src/ClassModules/SQLCondition.cls
index 5cf89e7..256d7d9 100644
--- a/src/ClassModules/SQLCondition.cls
+++ b/src/ClassModules/SQLCondition.cls
@@ -31,6 +31,8 @@ Public Function Create(Expression1, Expression2, Optional Operator As String = "
     sOperator = Operator
 End Function
 
+' Function: toString
+' Render the object to a SQL string.
 Public Function toString() As String
     Dim OperatorString As String
     If sOperator = "IS" Then