.BR RETURN ,
the command
.I arg
-is executed each time a shell function or a script executed with the
-\fB.\fP or \fBsource\fP builtins finishes executing.
+is executed each time a shell function or a script executed with
+the \fB.\fP or \fBsource\fP builtins finishes executing.
.if t .sp 0.5
.if n .sp 1
If a