diff --git a/sig-architecture/charter.md b/sig-architecture/charter.md
index c52c1dac1..0ddf92d33 100644
--- a/sig-architecture/charter.md
+++ b/sig-architecture/charter.md
@@ -18,6 +18,8 @@ The Architecture SIG maintains and evolves the design principles of Kubernetes,
 - *Design principles*
 - *Deprecation policy*
 - *Kubernetes Enhancement Proposal (KEP) process*
+- *Upgrade and downgrade policy*
+- *Cross-component version support skew*
 
 #### Cross-cutting and Externally Facing Processes