diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog
index fff7ae7d17c42c237042aa30fc195e5640c0dbc3..60e4cfac10a3725bbbbc7293fdb91bdfbbc2c7bb 100644
--- a/boehm-gc/ChangeLog
+++ b/boehm-gc/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-18  Alan Modra  <amodra@bigpond.net.au>
+
+	* include/private/gcconfig.h (ALIGNMENT <powerpc linux>): Remove
+	unsure comment.
+
 2003-10-03  Jeff Sturm  <jsturm@one-point.com>
 
 	* configure: Rebuild.
diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h
index 45386d785708a8c56f384040036a136b7d605691..fceba8fa205e5fe373c19a62558e0491469e9779 100644
--- a/boehm-gc/include/private/gcconfig.h
+++ b/boehm-gc/include/private/gcconfig.h
@@ -722,8 +722,7 @@
 #       define ALIGNMENT 8
 #       define CPP_WORDSZ 64
 #     else
-#       define ALIGNMENT 4	/* Guess.  Can someone verify?	*/
-				/* This was 2, but that didn't sound right. */
+#       define ALIGNMENT 4
 #     endif
 #     define OS_TYPE "LINUX"
       /* HEURISTIC1 has been reliably reported to fail for a 32-bit	*/