diff --git a/get_youtube_videos/get_youtube_videos.py b/get_youtube_videos/get_youtube_videos.py
index b906c09..b4d6d69 100644
--- a/get_youtube_videos/get_youtube_videos.py
+++ b/get_youtube_videos/get_youtube_videos.py
@@ -98,14 +98,16 @@ class GetYoutubeVideos:
             'w',
             encoding='UTF-8'
         ) as metrics_file:
+            metrics_file.write('''# HELP get_youtube_summary Get YouTube videos summary metrics.
+# TYPE get_youtube_summary counter\n''')
             for key in data:
                 if self._is_numeric(data[key]):
-                    metrics_file.write(f"get_youtube_videos_{key} {data[key]}")
+                    metrics_file.write(f"get_youtube_videos_{key} {data[key]}\n")
                 elif isinstance(data[key], bool):
                     value = 0
                     if data[key]:
                         value = '1'
-                    metrics_file.write(f"get_youtube_videos_{key} {value}")
+                    metrics_file.write(f"get_youtube_videos_{key} {value}\n")
             os.chmod('/var/lib/prometheus/node-exporter/get_youtube_videos.prom', stat.S_IROTH)
 
     def _change_proxy(self, video_id):