corrected update date

I have no idea how I updated the date to a wrong date... must have been the peyote...

README.md

@@ -1,7 +1,7 @@
 IMPORTANT: Try this first
 =========
 
-2015-Aug-22: I just discovered that the most common reason you would have the kind of problems this module solves is actually due to **failing to properly bundle the Intermediate CAs** with the server certificate.
+2015-Jul-13: I just discovered that the most common reason you would have the kind of problems this module solves is actually due to **failing to properly bundle the Intermediate CAs** with the server certificate.
 
 **Incorrect Example**