Merge pull request #61 from Lomkit/GautierDele-patch-1

Update 3.relationships.md

Author: GautierDele

content/3.resources/3.relationships.md

@@ -167,15 +167,15 @@ public function commentable(): MorphTo
 
 public function post(): MorphTo
 {
-    return $this->commentable()->whereHas('comments', function (Builder $query) {
-        $query->where('comments.commentable_type', Post::class);
+    return $this->morphTo('post', 'commentable_type', 'commentable_id')->whereHas('comment', function (Builder $query) {
+        $query->where('commentable_type', Post::class);
     });
 }
 
 public function video(): MorphTo
 {
-    return $this->commentable()->whereHas('comments', function (Builder $query) {
-        $query->where('comments.commentable_type', Video::class);
+    return $this->morphTo('video', 'commentable_type', 'commentable_id')->whereHas('comment', function (Builder $query) {
+        $query->where('commentable_type', Video::class);
     });
 }
 ```