diff --git a/linkify_it/main.py b/linkify_it/main.py
index 7e6af33..b06a7b3 100644
--- a/linkify_it/main.py
+++ b/linkify_it/main.py
@@ -189,7 +189,7 @@ def func(text, pos):
 
     def _create_normalizer(self):
         def func(match):
-            self._normalize(match)
+            self.normalize(match)
 
         return func
 
@@ -590,11 +590,11 @@ def tlds(self, list_tlds, keep_old=False):
         self._compile()
         return self
 
-    def _normalize(self, match):
+    def normalize(self, match):
         """Default normalizer (if schema does not define it's own).
 
         Args:
-            match ():
+            match (:class:`linkify_it.main.Match`): Match result
         """
         if not match.schema:
             match.url = "http://" + match.url
diff --git a/test/test_linkify.py b/test/test_linkify.py
index afa4f00..79bf297 100644
--- a/test/test_linkify.py
+++ b/test/test_linkify.py
@@ -20,7 +20,7 @@ def dummy(_):
 def test_links(number, line, expected):
     linkifyit = LinkifyIt(options={"fuzzy_ip": True})
 
-    linkifyit._normalize = dummy
+    linkifyit.normalize = dummy
 
     assert linkifyit.pretest(line) is True
     assert linkifyit.test("\n" + line + "\n") is True
@@ -35,6 +35,6 @@ def test_links(number, line, expected):
 def test_not_links(number, line, expected):
     linkifyit = LinkifyIt()
 
-    linkifyit._normalize = dummy
+    linkifyit.normalize = dummy
 
     assert linkifyit.test(line) is False