fix some question about change request

CHANGES.rst

@@ -9,9 +9,9 @@ Release date: -
 0.5.2
 -----
 
-Release date: 2023/12/09
+Release date: N/A
 
-- add ``cleanify`` function to ``flask_ckeditor.utils``
+- Add ``cleanify`` function to ``flask_ckeditor.utils`` for HTML sanity.
 
 
 0.5.1

flask_ckeditor/utils.py

@@ -6,7 +6,7 @@
 try:
     import bleach
 except ImportError:
-    warnings.warn('bleach is not installed,`cleanify` function will not be available')
+    warnings.warn('The "bleach" library is not installed, `cleanify` function will not be available.')
 
 
 def get_url(endpoint_or_url):
@@ -23,17 +23,13 @@ def random_filename(old_filename):
 
 
 def cleanify(text, *, allow_tags=None):
-    """clean the input from client, this function rely on bleach,
+    """Clean the input from client, this function rely on bleach.
 
-
-    Args:
-        text (str): input
-        allow_tags (Iterable[str], optional): if you don't want to use default `allow_tags`
-            you can provide a Iterable which include html tag string like ['a', 'li',...]
+    :parm text: input str
+    :parm allow_tags: if you don't want to use default `allow_tags`,
+        you can provide a Iterable which include html tag string like ['a', 'li',...].
     """
-    if allow_tags:
-        return bleach.linkify(bleach.clean(text, tags=allow_tags))
     default_allowed_tags = {'a', 'abbr', 'b', 'blockquote', 'code',
                             'em', 'i', 'li', 'ol', 'pre', 'strong', 'ul',
                             'h1', 'h2', 'h3', 'h4', 'h5', 'p'}
-    return bleach.linkify(bleach.clean(text, tags=default_allowed_tags))
+    return bleach.linkify(bleach.clean(text, tags=allow_tags or default_allowed_tags))