diff --git a/haystack/components/caching/cache_checker.py b/haystack/components/caching/cache_checker.py
index 99eff07a89..77fe2599d8 100644
--- a/haystack/components/caching/cache_checker.py
+++ b/haystack/components/caching/cache_checker.py
@@ -15,9 +15,9 @@
 class CacheChecker:
     """
     Checks for the presence of documents in a Document Store based on a specified
-    field in each document's metadata. 
-    
-    If matching documents are found, they are returned as hits. If not, the items 
+    field in each document's metadata.
+
+    If matching documents are found, they are returned as hits. If not, the items
     are returned as misses, indicating they are not in the cache.
 
     Usage example: