diff --git a/patch.rst b/patch.rst
--- a/patch.rst
+++ b/patch.rst
@@ -81,8 +81,8 @@
 put yourself in the shoes of someone whose code will be broken by a change to
 pre-existing semantics. It is guaranteed that any change made **will** break
 someone's code, so you need to have a good reason to make a change as you will
-be forcing someone somewhere to update their code (this obviously does not apply
-to new semantics).
+be forcing someone somewhere to update their code. (This obviously does not
+apply to new classes or functions, or new optional arguments.)
 
 Third, make sure you have proper tests to verify your patch works as expected.
 Patches will not be accepted without the proper tests!