Fix typos in code comment and documentation
diff --git a/Lib/posixpath.py b/Lib/posixpath.py
index 6578481..8f92822 100644
--- a/Lib/posixpath.py
+++ b/Lib/posixpath.py
@@ -375,7 +375,7 @@
     path, ok = _joinrealpath('', filename, {})
     return abspath(path)
 
-# Join two paths, normalizing ang eliminating any symbolic links
+# Join two paths, normalizing and eliminating any symbolic links
 # encountered in the second path.
 def _joinrealpath(path, rest, seen):
     if isabs(rest):