diff --git a/README.md b/README.md
index 31500409..d9462faf 100644
--- a/README.md
+++ b/README.md
@@ -114,7 +114,7 @@ like the following in `postgresql.conf`:
     # How much WAL to retain on the primary to allow a temporarily
     # disconnected standby to catch up again. The larger this is, the
     # longer the standby can be disconnected. This is needed only in
-    # 9.3; in 9.4, replication slots can be used instead (see below).
+    # 9.3; from 9.4, replication slots can be used instead (see below).
 
     wal_keep_segments = 5000