diff --git a/django/contrib/gis/db/backends/postgis/operations.py b/django/contrib/gis/db/backends/postgis/operations.py
index d56b7bea91..318c88fd1d 100644
--- a/django/contrib/gis/db/backends/postgis/operations.py
+++ b/django/contrib/gis/db/backends/postgis/operations.py
@@ -199,7 +199,7 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
 
     def convert_geom(self, hex, geo_field):
         """
-        Converts the geometry returned from PostGIS aggretates.
+        Converts the geometry returned from PostGIS aggregates.
         """
         if hex:
             return Geometry(hex, srid=geo_field.srid)
diff --git a/django/contrib/gis/db/backends/spatialite/operations.py b/django/contrib/gis/db/backends/spatialite/operations.py
index 127ea7b15d..45e7a304fb 100644
--- a/django/contrib/gis/db/backends/spatialite/operations.py
+++ b/django/contrib/gis/db/backends/spatialite/operations.py
@@ -176,7 +176,7 @@ class SpatiaLiteOperations(BaseSpatialOperations, DatabaseOperations):
 
     def geo_db_type(self, f):
         """
-        Returns None because geometry columnas are added via the
+        Returns None because geometry columns are added via the
         `AddGeometryColumn` stored procedure on SpatiaLite.
         """
         return None
diff --git a/django/db/migrations/autodetector.py b/django/db/migrations/autodetector.py
index 513bb543d1..62ea80be20 100644
--- a/django/db/migrations/autodetector.py
+++ b/django/db/migrations/autodetector.py
@@ -38,7 +38,7 @@ class MigrationAutodetector(object):
 
     def changes(self, graph, trim_to_apps=None, convert_apps=None, migration_name=None):
         """
-        Main entry point to produce a list of appliable changes.
+        Main entry point to produce a list of applicable changes.
         Takes a graph to base names on and an optional set of apps
         to try and restrict to (restriction is not guaranteed)
         """