Fix various small spelling errors.

docs/blueprints.rst

@@ -244,7 +244,7 @@ was dispatched to any other admin blueprint endpoint.
 Error Handlers
 --------------
 
-Blueprints support the errorhandler decorator just like the :class:`Flask`
+Blueprints support the ``errorhandler`` decorator just like the :class:`Flask`
 application object, so it is easy to make Blueprint-specific custom error
 pages.
 

docs/config.rst

@@ -527,7 +527,7 @@ the config file by adding ``from yourapplication.default_settings
 import *`` to the top of the file and then overriding the changes by hand.
 You could also inspect an environment variable like
 ``YOURAPPLICATION_MODE`` and set that to `production`, `development` etc
-and import different hardcoded files based on that.
+and import different hard-coded files based on that.
 
 An interesting pattern is also to use classes and inheritance for
 configuration::

docs/extensions.rst

@@ -6,7 +6,7 @@ Extensions
 Extensions are extra packages that add functionality to a Flask
 application. For example, an extension might add support for sending
 email or connecting to a database. Some extensions add entire new
-frameworks to help build certain types of applications, like a ReST API.
+frameworks to help build certain types of applications, like a REST API.
 
 
 Finding Extensions

docs/unicode.rst

@@ -43,8 +43,8 @@ The Golden Rule
 So the rule of thumb: if you are not dealing with binary data, work with
 Unicode.  What does working with Unicode in Python 2.x mean?
 
--   as long as you are using ASCII charpoints only (basically numbers,
-    some special characters of latin letters without umlauts or anything
+-   as long as you are using ASCII code points only (basically numbers,
+    some special characters of Latin letters without umlauts or anything
     fancy) you can use regular string literals (``'Hello World'``).
 -   if you need anything else than ASCII in a string you have to mark
     this string as Unicode string by prefixing it with a lowercase `u`.