Index: src/include/fmgr.h
===================================================================
--- src/include/fmgr.h	(revision 29144)
+++ src/include/fmgr.h	(working copy)
@@ -158,11 +158,11 @@
  * The resulting datum can be accessed using VARSIZE_ANY() and VARDATA_ANY()
  * (beware of multiple evaluations in those macros!)
  *
- * WARNING: It is only safe to use PG_DETOAST_DATUM_UNPACKED() and
- * VARDATA_ANY() if you really don't care about the alignment. Either because
- * you're working with something like text where the alignment doesn't matter
- * or because you're not going to access its constituent parts and just use
- * things like memcpy on it anyways.
+ * WARNING: It is only safe to use PG_DETOAST_DATUM_PACKED() and VARDATA_ANY()
+ * if you really don't care about the alignment. Either because you're working
+ * with something like text where the alignment doesn't matter or because
+ * you're not going to access its constituent parts and just use things like
+ * memcpy on it anyways.
  *
  * Note: it'd be nice if these could be macros, but I see no way to do that
  * without evaluating the arguments multiple times, which is NOT acceptable.
Index: src/include/postgres.h
===================================================================
--- src/include/postgres.h	(revision 29144)
+++ src/include/postgres.h	(working copy)
@@ -237,7 +237,7 @@
  * code that specifically wants to work with still-toasted Datums.
  *
  * WARNING: It is only safe to use VARDATA_ANY() -- typically with
- * PG_DETOAST_DATUM_UNPACKED() -- if you really don't care about the alignment.
+ * PG_DETOAST_DATUM_PACKED() -- if you really don't care about the alignment.
  * Either because you're working with something like text where the alignment
  * doesn't matter or because you're not going to access its constituent parts
  * and just use things like memcpy on it anyways.