Solve some spelling mistakes.

Change-Id: Id7e8c4efbfc4203e63583b68c87be75f4a195b66

releasenotes/notes/add-scoring-module-fa00d013ed2d614e.yaml

@@ -1,7 +1,7 @@
 ---
 features:
   - Added a generic scoring engine module, which
-    will standarize interactions with scoring engines
+    will standardize interactions with scoring engines
     through the common API. It is possible to use the
     scoring engine by different Strategies, which
     improve the code and data model re-use.

releasenotes/notes/get-goal-from-strategy-396c9b13a38bb650.yaml

@@ -2,4 +2,4 @@
 features:
   - Added a way to return the of available goals depending
     on which strategies have been deployed on the node
-    where the decison engine is running.
+    where the decision engine is running.

watcher/decision_engine/strategy/strategies/basic_consolidation.py

@@ -30,7 +30,7 @@ This algorithm not only minimizes the overall number of used servers, but also
 minimizes the number of migrations.
 
 It has been developed only for tests. You must have at least 2 physical compute
-nodes to run it, so you can easilly run it on DevStack. It assumes that live
+nodes to run it, so you can easily run it on DevStack. It assumes that live
 migration is possible on your OpenStack cluster.
 
 """

watcher/decision_engine/strategy/strategies/vm_workload_consolidation.py

@@ -129,7 +129,7 @@ class VMWorkloadConsolidation(base.ServerConsolidationBaseStrategy):
         self.number_of_released_nodes -= 1
 
     def add_action_disable_node(self, node):
-        """Add an action for node disablity into the solution.
+        """Add an action for node disability into the solution.
 
         :param node: node object
         :return: None

watcher/objects/audit.py

@@ -108,7 +108,7 @@ class Audit(base.WatcherPersistentObject, base.WatcherObject,
     _old_state = None
 
     # NOTE(v-francoise): The way oslo.versionedobjects works is by using a
-    # __new__ that will automagically create the attributes referenced in
+    # __new__ that will automatically create the attributes referenced in
     # fields. These attributes are properties that raise an exception if no
     # value has been assigned, which means that they store the actual field
     # value in an "_obj_%(field)s" attribute. So because we want to proxify a