diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index fb9b958..be6c67f 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -364,8 +364,8 @@
    method which lists the tuple contents in a ``name=value`` format.
 
    The *fieldnames* are a single string with each fieldname separated by whitespace
-   and/or commas (for example 'x y' or 'x, y').  Alternatively, the *fieldnames*
-   can be specified with a sequence of strings (such as ['x', 'y']).
+   and/or commas (for example 'x y' or 'x, y').  Alternatively, *fieldnames*
+   can be a sequence of strings (such as ['x', 'y']).
 
    Any valid Python identifier may be used for a fieldname except for names
    starting with an underscore.  Valid identifiers consist of letters, digits,
@@ -482,7 +482,7 @@
 
 .. attribute:: somenamedtuple._fields
 
-   Tuple of strings listing the field names.  This is useful for introspection
+   Tuple of strings listing the field names.  Useful for introspection
    and for creating new named tuple types from existing named tuples.
 
 ::
@@ -501,7 +501,7 @@
     >>> getattr(p, 'x')
     11
 
-When casting a dictionary to a named tuple, use the double-star-operator [#]_::
+To cast a dictionary to a named tuple, use the double-star-operator [#]_::
 
    >>> d = {'x': 11, 'y': 22}
    >>> Point(**d)
@@ -526,7 +526,7 @@
     Point: x= 1.286 y= 6.000 hypot= 6.136
 
 Another use for subclassing is to replace performance critcal methods with
-faster versions that bypass error-checking and localize variable access::
+faster versions that bypass error-checking and that localize variable access::
 
     >>> class Point(namedtuple('Point', 'x y')):
         _make = classmethod(tuple.__new__)