diff --git a/TODO.txt b/TODO.txt
index 94e471dcdd..17fba95bd9 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -3,6 +3,8 @@
 //===---------------------------------------------------------------------===//
 
 
+Warn about "X && 0x1000" saying that the user may mean "X & 0x1000".
+Probably only want to do this for hex immediates.  Likewise for ||.
 
 //===---------------------------------------------------------------------===//