Fix linting

Author: geoffguillain

themes/osi/functions.php

@@ -411,11 +411,11 @@ function osi_adjust_offset_pagination( int $found_posts, WP_Query $query ) {
 /**
  * Trim the Discourse comment body to 50 words.
  *
- * @param string  $comment_body The comment body.
- * 
+ * @param string $comment_body The comment body.
+ *
  * @return string The trimmed comment body.
  */
-function osi_wpdc_comment_body( $comment_body ) {
+function osi_wpdc_comment_body( string $comment_body ) {
 	$trimmed_comment_body = wp_trim_words( $comment_body, 50, '(...)' );
 	return $trimmed_comment_body;
 }