README: fix golang version

Signed-off-by: Rohit Yadav <rohit@apache.org>
diff --git a/README.md b/README.md
index edd98ac..1a990a0 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 
 ### Development
 
-For development the pre-requisites are Go 10 or latest and a unix-like
+For development the pre-requisites are Go 1.11 or latest and a unix-like
 environment. You can use the following targets for building:
 
     $ make help