diff --git a/pep-0011.txt b/pep-0011.txt
index 48e69e721..482b7c894 100644
--- a/pep-0011.txt
+++ b/pep-0011.txt
@@ -271,6 +271,10 @@ No-longer-supported platforms
   | Unsupported in:   Python 3.7
   | Code removed in:  Python 3.7
 
+* | Name:             Systems without multithreading support
+  | Unsupported in:   Python 3.7
+  | Code removed in:  Python 3.7
+
 References
 ----------