sync further changes from uts/aslr

@@ -271,11 +271,11 @@
 Success.
 
 .TP
 \fBnon-zero\fR
 .IP
-An error has occured.
+An error has occurred. 
 
 .SH "ATTRIBUTES"
 .LP
 See \fBattributes\fR(5) for descriptions of the following attributes:
 .sp