Clean up minor text formatting, spelling, grammar

pelican/utils.py

@@ -216,7 +216,7 @@ def get_date(string):
 
 
 class pelican_open(object):
-    """Open a file and return it's content"""
+    """Open a file and return its content"""
     def __init__(self, filename):
         self.filename = filename
 
@@ -236,7 +236,7 @@ def slugify(value):
     Normalizes string, converts to lowercase, removes non-alpha characters,
     and converts spaces to hyphens.
 
-    Took from django sources.
+    Took from Django sources.
     """
     # TODO Maybe steal again from current Django 1.5dev
     value = Markup(value).striptags()