diff --git a/tagger.py b/tagger.py
index b478680..78586a7 100644
--- a/tagger.py
+++ b/tagger.py
@@ -11,7 +11,7 @@ OUTPUT_FILE = 'tags.json'
 TAGS_PER_ARTICLE = 5
 JSON_INDENT = 2
 
-upper_check = re.compile(r'[A-Z]')
+UPPER_CHECK = re.compile(r'[A-Z]')
 
 
 @dataclass
@@ -48,7 +48,7 @@ class FileScanner(HTMLParser):
                 score *= 4
             if len(word) <= 3:
                 score //= 2
-            upper_letters_count = len(upper_check.findall(tag_name))
+            upper_letters_count = len(UPPER_CHECK.findall(tag_name))
             score += upper_letters_count * 5
             if word not in words_with_usage:
                 words_with_usage[word] = Tag(name=tag_name, score=score)