diff --git a/man3/expm1.3 b/man3/expm1.3
index 8faef1bc7..59c71fad0 100644
--- a/man3/expm1.3
+++ b/man3/expm1.3
@@ -129,13 +129,22 @@ C99, POSIX.1-2001.
 .SH BUGS
 For some large negative
 .I x
+values (where the function result approaches \-1),
+.BR expm1 ()
+raises a bogus underflow exception.
+.\" FIXME .
+.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6778
+
+For some large positive
+.I x
 values,
 .BR expm1 ()
-raises
-.\" FIXME . expm1() gives a bogus underflow error for -large
-.\" (where function result approaches -1).
-.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6778
-.\" 
+raises a bogus invalid exception in addition to the expected
+overflow exception, and returns a NaN instead of positive infinity.
+.\" FIXME .
+.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6814
+.\" e.g., expm1(1e5) through expm1(1.00199970127e5),
+.\" but not expm1(1.00199970128e5) and beyond.
 .SH "SEE ALSO"
 .BR exp (3),
 .BR log (3),