diff --git a/_config.yml b/_config.yml
index daaea368..78c1c6d2 100644
--- a/_config.yml
+++ b/_config.yml
@@ -97,7 +97,7 @@ author:
   linkedin         :
   pinterest        :
   soundcloud       :
-  stackoverflow    : # http://stackoverflow.com/users/123456/username
+  stackoverflow    : # "123456/username" (the last part of your profile url, e.g. http://stackoverflow.com/users/123456/username)
   steam            :
   tumblr           :
   twitter          :