fix broken link (confluentinc#29)

Andrew Pennebaker · edenhill · commit de6af5591327 · 2017-01-20T10:32:26.000+01:00
diff --git a/README.md b/README.md
@@ -153,7 +153,7 @@ After a succesful static build verify the dependencies by running
 Tests
 =====
 
-See [kafka/README](kafka/README)
+See [kafka/README](kafka/README.md)
 
 
 
