diff --git a/pep-8012.rst b/pep-8012.rst
index a8fa58ff4..2aefb876f 100644
--- a/pep-8012.rst
+++ b/pep-8012.rst
@@ -394,6 +394,10 @@ disbanded experts team cannot self-nominate to return.
 Voting Mechanics
 ----------------
 
+All votes described in this document are +1/-1/0 ("Yea"/"Nay"/"Present")
+recorded votes.  There are no other vote values, in particular values
+out of range or fractions (like +0.5) are invalid.
+
 Votes take fourteen calendar days.  The starting date is taken looking at
 the timezone of the person who filed for the motion to vote.  The end
 date is fourteen days later Anywhere-On-Earth.