fix toc, add file names

Author: diberry

articles/cognitive-services/LUIS/luis-get-started-node-add-utterance.md

@@ -31,7 +31,7 @@ ms.author: diberry
 
 ## Create quickstart code 
 
-Add the NPM dependencies to the file.
+Add the NPM dependencies to the file named `add-utterances.js`.
 
    [!code-javascript[NPM Dependencies](~/samples-luis/documentation-samples/quickstarts/change-model/node/add-utterances.js?range=8-11 "NPM Dependencies")]
 

articles/cognitive-services/LUIS/luis-get-started-ruby-add-utterance.md

@@ -30,7 +30,7 @@ ms.author: diberry
 
 ## Create quickstart code 
 
-Add the dependencies to the file.
+Add the dependencies to the file named `add-utterances.rb`.
 
    [!code-ruby[Ruby and LUIS Dependencies](~/samples-luis/documentation-samples/quickstarts/change-model/ruby/add-utterances.rb?range=1-21 "Ruby and LUIS Dependencies")]
 

articles/cognitive-services/LUIS/toc.yml

@@ -23,10 +23,10 @@
         href: luis-get-started-js-get-intent.md
       - name: Node.js
         href: luis-get-started-node-get-intent.md
-      - name: Python
-        href: luis-get-started-python-get-intent.md
       - name: PHP
         href: luis-get-started-php-get-intent.md
+      - name: Python
+        href: luis-get-started-python-get-intent.md
       - name: Ruby
         href: luis-get-started-ruby-get-intent.md
     - name: Add utterance to intent and train app
@@ -41,10 +41,10 @@
         href: luis-get-started-javascript-add-utterance.md
       - name: Node.js
         href: luis-get-started-node-add-utterance.md
-      - name: Python
-        href: luis-get-started-python-add-utterance.md
       - name: PHP
         href: luis-get-started-php-add-utterance.md
+      - name: Python
+        href: luis-get-started-python-add-utterance.md
       - name: Ruby
         href: luis-get-started-ruby-add-utterance.md
 - name: Tutorials