diff --git a/man3/addseverity.3 b/man3/addseverity.3
index 7d706036a..8905e14cf 100644
--- a/man3/addseverity.3
+++ b/man3/addseverity.3
@@ -48,7 +48,7 @@ New severity classes can also be added by setting the environment variable
 .SH "CONFORMING TO"
 This function is not specified in the X/Open Portability Guide
 although the 
-.BR fmtsmg () 
+.BR fmtmsg () 
 function is.  It is available on System V
 systems.
 .SH "SEE ALSO"