"main thread" not "main call"

octodns/manager.py

@@ -39,10 +39,10 @@ class _AggregateTarget(object):
 
 class MainThreadExecutor(object):
     '''
-    Dummy executor that runs things on the main call during the involcation of
+    Dummy executor that runs things on the main thread during the involcation
-    submit, but still returns a future object with the result. This allows code
+    of submit, but still returns a future object with the result. This allows
-    to be written to handle async, even in the case where we don't want to use
+    code to be written to handle async, even in the case where we don't want to
-    multiple threads/workers and would prefer that things flow as if
+    use multiple threads/workers and would prefer that things flow as if
     traditionally written.
     '''