From fb66a9f2c36c1fc1c3d2d290cbcceea247b3950d Mon Sep 17 00:00:00 2001
From: baiwenteng <baiwenteng@inspur.com>
Date: Fri, 9 Feb 2018 16:32:54 +0800
Subject: [PATCH] Fix grammar errors

Replace 'a instance' with 'an instance' in
watcher/decision_engine/model/collector/nova.py
watcher/decision_engine/model/element/instance.py

Change-Id: I39020f3e7b460dea768f7e38fef9ae9e2a4b7357
---
 watcher/decision_engine/model/collector/nova.py   | 2 +-
 watcher/decision_engine/model/element/instance.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/watcher/decision_engine/model/collector/nova.py b/watcher/decision_engine/model/collector/nova.py
index 157f3b841..55d06c00f 100644
--- a/watcher/decision_engine/model/collector/nova.py
+++ b/watcher/decision_engine/model/collector/nova.py
@@ -337,7 +337,7 @@ class ModelBuilder(object):
         Create an instance node for the graph using nova and the
         `server` nova object.
         :param instance: Nova VM object.
-        :return: A instance node for the graph.
+        :return: An instance node for the graph.
         """
         flavor = instance.flavor
         instance_attributes = {
diff --git a/watcher/decision_engine/model/element/instance.py b/watcher/decision_engine/model/element/instance.py
index c68841f76..5b4dca935 100644
--- a/watcher/decision_engine/model/element/instance.py
+++ b/watcher/decision_engine/model/element/instance.py
@@ -29,7 +29,7 @@ class InstanceState(enum.Enum):
     STOPPED = 'stopped'  # Instance is shut off, the disk image is still there.
     RESCUED = 'rescued'  # A rescue image is running with the original image
     # attached.
-    RESIZED = 'resized'  # a Instance with the new size is active.
+    RESIZED = 'resized'  # an Instance with the new size is active.
 
     SOFT_DELETED = 'soft-delete'
     # still available to restore.