diff --git a/pep-0013.rst b/pep-0013.rst
index de0de7517..205592e7d 100644
--- a/pep-0013.rst
+++ b/pep-0013.rst
@@ -269,7 +269,8 @@ Core team membership acknowledges sustained and valuable efforts that
 align well with the philosophy and the goals of the Python project.
 
 It is granted by receiving at least two-thirds positive votes in a
-core team vote and no veto by the steering council.
+core team vote that is open for one week and with no veto by the
+steering council.
 
 Core team members are always looking for promising contributors,
 teaching them how the project is managed, and submitting their names
@@ -300,7 +301,7 @@ Changing this document
 ----------------------
 
 Changes to this document require at least a two-thirds majority of
-votes cast in a core team vote.
+votes cast in a core team vote which should be open for two weeks.
 
 
 History
@@ -338,7 +339,7 @@ History of council elections
 History of amendments
 ---------------------
 
-None yet.
+2019-04-17: Added the vote length for core devs and changes to this document.