diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -10,9 +10,9 @@ On RHEL-family systems, sendmail will be replaced with postfix.
 
 ### Platforms
 
-- Ubuntu 12.04+
-- Debian 7.0+
-- RHEL/CentOS/Scientific 5.7+, 6.2+
+- Ubuntu
+- Debian
+- RHEL/CentOS/Scientific
 - Amazon Linux (as of AMIs created after 4/9/2012)
 
 May work on other platforms with or without modification.