[nickelodeon:br] correct extractor name

youtube_dl/extractor/extractors.py

@@ -689,7 +689,7 @@ from .nhl import (
 )
 from .nick import (
     NickIE,
-    NickBeIE,
+    NickBrIE,
     NickDeIE,
     NickNightIE,
     NickRuIE,

youtube_dl/extractor/nick.py

@@ -79,7 +79,7 @@ class NickIE(MTVServicesInfoExtractor):
         return self._get_videos_info(video_data['player'] + video_data['id'])
 
 
-class NickBeIE(MTVServicesInfoExtractor):
+class NickBrIE(MTVServicesInfoExtractor):
     IE_NAME = 'nickelodeon:br'
     _VALID_URL = r'https?://(?P<domain>(?:www\.)?nickjr|mundonick\.uol)\.com\.br/(?:programas/)?[^/]+/videos/(?:episodios/)?(?P<id>[^/?#.]+)'
     _TESTS = [{