=item Sequence (?{...}) not terminated or not {}-balanced in regex; marked by <-- HERE in m/%s/
-(F) If the contents of a (?{...}) clause contains braces, they must balance
-for Perl to properly detect the end of the clause. The <-- HERE shows in
+(F) If the contents of a (?{...}) clause contain braces, they must balance
+for Perl to detect the end of the clause properly. The <-- HERE shows in
the regular expression about where the problem was discovered. See
L<perlre>.