--- a/src/include/executor/tuptable.h
+++ b/src/include/executor/tuptable.h
@@ -68,8 +68,7 @@
  * A TupleTableSlot can also be "empty", indicated by flag TTS_FLAG_EMPTY set
  * in tts_flags, holding no valid data.  This is the only valid state for a
  * freshly-created slot that has not yet had a tuple descriptor assigned to
- * it.  In this state, TTS_SHOULDFREE should not be set in tts_flags, tts_tuple
- * must be NULL and tts_nvalid zero.
+ * it.  In this state, TTS_FLAG_SHOULDFREE should not be set in tts_flags.
  *
  * The tupleDescriptor is simply referenced, not copied, by the TupleTableSlot
  * code.  The caller of ExecSetSlotDescriptor() is responsible for providing