diff --git a/.gitignore b/.gitignore
index d90a153a..9a16b660 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ tldextract.egg-info
 .envrc
 tldextract/.suffix_cache/*
 .pytest_cache
+.python-version
diff --git a/tldextract/utils.py b/tldextract/utils.py
index aba8584f..76604ecb 100644
--- a/tldextract/utils.py
+++ b/tldextract/utils.py
@@ -27,7 +27,7 @@ def return_cache(*args, **kwargs):
 
             make_dir(cache_path)
 
-            # without locking, Concurrency could leader to multiple writers, or readers of a partial write
+            # locking used to prevent concurrent writes, or reads of a partially written file
             with FileLock(lock_path, timeout=20):
                 if not os.path.isfile(cache_path):
                     result = func(*args, **kwargs)