diff --git a/doc/source/process.rst b/doc/source/process.rst
index eb07f583705f..53924fc8e32f 100644
--- a/doc/source/process.rst
+++ b/doc/source/process.rst
@@ -12,7 +12,7 @@
       under the License.
 
 =====================
-Developement Process
+Development Process
 =====================
 
 Nova is always evolving its processes, but its import to explain why we have
diff --git a/nova/virt/hyperv/eventhandler.py b/nova/virt/hyperv/eventhandler.py
index 9b5672437bd5..b5247c255164 100644
--- a/nova/virt/hyperv/eventhandler.py
+++ b/nova/virt/hyperv/eventhandler.py
@@ -76,7 +76,7 @@ class InstanceEventHandler(object):
     def _poll_events(self):
         while True:
             try:
-                # Retrieve one by one all the events that occured in
+                # Retrieve one by one all the events that occurred in
                 # the checked interval.
                 event = self._listener(self._WAIT_TIMEOUT)
                 self._dispatch_event(event)
diff --git a/nova/virt/hyperv/vmops.py b/nova/virt/hyperv/vmops.py
index 218e817e1a30..85efb6e1bd50 100644
--- a/nova/virt/hyperv/vmops.py
+++ b/nova/virt/hyperv/vmops.py
@@ -547,7 +547,7 @@ class VMOps(object):
             self._set_vm_state(instance,
                                constants.HYPERV_VM_STATE_DISABLED)
         except exception.NotFound:
-            # The manager can call the stop API after recieving instance
+            # The manager can call the stop API after receiving instance
             # power off events. If this is triggered when the instance
             # is being deleted, it might attempt to power off an unexisting
             # instance. We'll just pass in this case.