Update NL sentiment analysis readme to use score [(#652)](GoogleCloudPlatform/python-docs-samples#652)

Jon Wayne Parrott · web-flow · commit 7d287e59a2ab · 2016-11-14T17:58:15.000-08:00
diff --git a/samples/snippets/sentiment/README.md b/samples/snippets/sentiment/README.md
@@ -44,5 +44,5 @@ pass your own text files.)
 
 ```
 (env)$ python sentiment_analysis.py textfile.txt
-Sentiment: polarity of -0.1 with magnitude of 6.7
+Sentiment: score of -0.1 with magnitude of 6.7
 ```
