diff --git a/llvm/lib/Target/README.txt b/llvm/lib/Target/README.txt
index 97546c4db595..9dd2b365c03e 100644
--- a/llvm/lib/Target/README.txt
+++ b/llvm/lib/Target/README.txt
@@ -1653,6 +1653,7 @@ entry:
 
 Instcombine should be able to optimize away the loads (and thus the globals).
 
+See also PR4973
 
 //===---------------------------------------------------------------------===//