diff --git a/codespell_lib/_codespell.py b/codespell_lib/_codespell.py
old mode 100755
new mode 100644
index d8bb6ef..6c43d02
--- a/codespell_lib/_codespell.py
+++ b/codespell_lib/_codespell.py
@@ -54,7 +54,7 @@
     # realistic for obscure words
     ('clear', 'for unambiguous errors', '',
         False, None, supported_languages_en, None),
-    ('rare', 'for rare but valid words', '_rare',
+    ('rare', 'for rare (but valid) words which are likely to be errors', '_rare',  # noqa: E501
         None, None, None, None),
     ('informal', 'for making informal words more formal', '_informal',
         True, True, supported_languages_en, supported_languages_en),
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 222c296..feb9b99 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -2,7 +2,7 @@
 version: git
 summary: Check code for common misspellings
 description: |
-  Codespell fixes common mispellings in text files.It's designed
+  Codespell fixes common misspellings in text files. It's designed
   primarily for checking misspelled words in source code, but it can
   be used with other files as well.
 grade: stable