diff --git a/keystone/assignment/core.py b/keystone/assignment/core.py
index 192b0d9640..705bead3b7 100644
--- a/keystone/assignment/core.py
+++ b/keystone/assignment/core.py
@@ -951,7 +951,7 @@ class Manager(manager.Manager):
 # drivers that we still support, that have not been removed or modified. This
 # class is then used to created the augmented V8 and V9 version abstract driver
 # classes, without having to duplicate a lot of abstract method signatures.
-# If you remove a method from V9, then move the abstact methods from this Base
+# If you remove a method from V9, then move the abstract methods from this Base
 # class to the V8 class. Do not modify any of the method signatures in the Base
 # class - changes should only be made in the V8 and subsequent classes.
 @six.add_metaclass(abc.ABCMeta)
@@ -1390,7 +1390,7 @@ class RoleManager(manager.Manager):
 # drivers that we still support, that have not been removed or modified. This
 # class is then used to created the augmented V8 and V9 version abstract driver
 # classes, without having to duplicate a lot of abstract method signatures.
-# If you remove a method from V9, then move the abstact methods from this Base
+# If you remove a method from V9, then move the abstract methods from this Base
 # class to the V8 class. Do not modify any of the method signatures in the Base
 # class - changes should only be made in the V8 and subsequent classes.
 @six.add_metaclass(abc.ABCMeta)
diff --git a/keystone/federation/core.py b/keystone/federation/core.py
index 956c5dde22..2e475867d3 100644
--- a/keystone/federation/core.py
+++ b/keystone/federation/core.py
@@ -103,7 +103,7 @@ class Manager(manager.Manager):
 # drivers that we still support, that have not been removed or modified. This
 # class is then used to created the augmented V8 and V9 version abstract driver
 # classes, without having to duplicate a lot of abstract method signatures.
-# If you remove a method from V9, then move the abstact methods from this Base
+# If you remove a method from V9, then move the abstract methods from this Base
 # class to the V8 class. Do not modify any of the method signatures in the Base
 # class - changes should only be made in the V8 and subsequent classes.
 
diff --git a/keystone/resource/core.py b/keystone/resource/core.py
index f1230d29de..602d8d6f98 100644
--- a/keystone/resource/core.py
+++ b/keystone/resource/core.py
@@ -664,7 +664,7 @@ class Manager(manager.Manager):
 # drivers that we still support, that have not been removed or modified. This
 # class is then used to created the augmented V8 and V9 version abstract driver
 # classes, without having to duplicate a lot of abstract method signatures.
-# If you remove a method from V9, then move the abstact methods from this Base
+# If you remove a method from V9, then move the abstract methods from this Base
 # class to the V8 class. Do not modify any of the method signatures in the Base
 # class - changes should only be made in the V8 and subsequent classes.