- $row = Html::rawElement( 'td', array( 'colspan' => 2, 'class' => 'htmlform-tip' ), $helptext );
+ $tdClasses = array( 'htmlform-tip' );
+ if ( $this->mHelpClass !== false ) {
+ $tdClasses[] = $this->mHelpClass;
+ }
+ $row = Html::rawElement( 'td', array( 'colspan' => 2, 'class' => $tdClasses ), $helptext );