Fixed spelling in docs.

docs/ref/contrib/postgres/fields.txt

@@ -21,7 +21,7 @@ ArrayField
 
         This is a required argument.
 
-        Specifies the underlying data type and behaviour for the array. It
+        Specifies the underlying data type and behavior for the array. It
         should be an instance of a subclass of
         :class:`~django.db.models.Field`. For example, it could be an
         :class:`~django.db.models.IntegerField` or a
@@ -227,7 +227,7 @@ lookups available after the transform do not change. For example::
 
 .. admonition:: Multidimensional arrays with indexes and slices
 
-    PostgreSQL has some rather esoteric behaviour when using indexes and slices
+    PostgreSQL has some rather esoteric behavior when using indexes and slices
     on multidimensional arrays. It will always work to use indexes to reach
     down to the final underlying data, but most other slices behave strangely
     at the database level and cannot be supported in a logical, consistent

docs/ref/contrib/postgres/index.txt

@@ -9,7 +9,7 @@ a number of PostgreSQL specific data types.
     Django is, and will continue to be, a database-agnostic web framework. We
     would encourage those writing reusable applications for the Django
     community to write database-agnostic code where practical. However, we
-    recognise that real world projects written using Django need not be
+    recognize that real world projects written using Django need not be
     database-agnostic. In fact, once a project reaches a given size changing
     the underlying data store is already a significant challenge and is likely
     to require changing the code base in some ways to handle differences

docs/ref/settings.txt

@@ -1391,7 +1391,7 @@ like::
     When Django searches for a certain format, it will go through all given
     Python paths until it finds a module that actually defines the given
     format. This means that formats defined in packages farther up in the list
-    will take precendence over the same formats in packages farther down.
+    will take precedence over the same formats in packages farther down.
 
 Available formats are :setting:`DATE_FORMAT`, :setting:`TIME_FORMAT`,
 :setting:`DATETIME_FORMAT`, :setting:`YEAR_MONTH_FORMAT`,

docs/spelling_wordlist

@@ -244,6 +244,7 @@ gunicorn
 Gunicorn
 gz
 GZip
+gzipped
 hackish
 handheld
 hardcode