diff --git a/Makefile.am b/Makefile.am
index cb687d2baf3b7f9435f81575280f2e66a76b5905..e6595331cb977a64bb3ac33703d735442503410c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -98,11 +98,11 @@ RM_TMP = rm -f
 # 	$(M4) $(srcdir)/asm.m4 machine.m4 config.m4 \
 # 		`test -f $< || echo '$(srcdir)/'`$< >$@
 
-# FIXME: For some reasomn, this rule breaks builds on OSF1 alpha V5.1.
-# It fails with "Don't know how to make aes.asm", which is very
-# strange, since the make program on this system is not supposed to
-# know about %-style pattern rules, and "aes.asm" doesn't not occur
-# explicitly in any target or dependency.
+# FIXME: For some reason, this rule breaks builds on Tru64 5.1B (on
+# alpha), with the system make. It fails with "Don't know how to make
+# aes.asm", which is very strange, since the make program on this
+# system is not supposed to know about %-style pattern rules, and
+# "aes.asm" doesn't not occur explicitly in any target or dependency.
 
 # NOTE: We create an empty .deps-file, to make the make/automake
 # dependency tracking happier.