[3.10] [doc] Fix typos found using codespell (GH-28744) (GH-28758)

diff --git a/Doc/tools/rstlint.py b/Doc/tools/rstlint.py
index cbcb8eb..3092a3b 100755
--- a/Doc/tools/rstlint.py
+++ b/Doc/tools/rstlint.py
@@ -165,7 +165,7 @@ def hide_comments(lines):
     """Tool to remove comments from given lines.
 
     It yields empty lines in place of comments, so line numbers are
-    still meaningfull.
+    still meaningful.
     """
     in_multiline_comment = False
     for line in lines: