Correction to "extend" property name in release notes
Correction to "extend" property name in release notes

Fixes issue #2320
squizlabs/PHP_CodeSniffer,stronk7/PHP_CodeSniffer,stronk7/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer,jrfnl/PHP_CodeSniffer,squizlabs/PHP_CodeSniffer,squizlabs/PHP_CodeSniffer,stronk7/PHP_CodeSniffer