diff --git a/imap_filter/imap_filter.py b/imap_filter/imap_filter.py
index cbd868a..822bf53 100644
--- a/imap_filter/imap_filter.py
+++ b/imap_filter/imap_filter.py
@@ -225,13 +225,13 @@ class ImapFilter:
                 new_content = re.sub(search, replacement, content)
                 if content != new_content:
                     self._log.debug(
-                        "Line it's different, so replacing it with '%s'",
+                        "Line is different, so replacing it with '%s'",
                         replacement
                     )
                     content = f"{new_content}\n"
                 else:
                     self._log.debug(
-                        "Line it is NOT different, not replacing it. Search: '%s'",
+                        "Line is NOT different, not replacing it. Search: '%s'",
                         search
                     )
             else: