diff --git a/src/test/recovery/README b/src/test/recovery/README
index 435fa64c76..da1167969f 100644
--- a/src/test/recovery/README
+++ b/src/test/recovery/README
@@ -10,7 +10,7 @@ Running the tests
 
 NOTE: You must have given the --enable-tap-tests argument to configure.
 Also, to use "make installcheck", you must have built and installed
-contrib/test_decoding in addition to the core code.
+contrib/pg_prewarm and contrib/test_decoding in addition to the core code.
 
 Run
     make check