Added notice to move the store when upgrading to 2.0a11

README.md

@@ -28,6 +28,12 @@ was almost entirely rewritten as SNSv2.
       -p | --print  : Print note to console
 
 ## Installing
+
+### Notice:
+If you are upgrading to SNS 2.0a11 from an earlier version, please move
+$HOME/.config/sns to $HOME/.local/sns
+
+
 To install, place `sns.sh` in your path, and copy `src/bash-completion/sns`
 to `/usr/share/bash-completion/completions/sns`.