Update README.md

Author: SC7639

README.md

@@ -1,5 +1,7 @@
 # node-small-router
-Small router module for nodejs that allow allows users to execute callback code on a named route with or without parameters
+Small router module for nodejs that allow allows users to execute callback code on a named route with or without parameters and query strings.
+
+Dropped support for versions of node under 8.0 due to security issues with dependencies spotted by npm audit
 
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