fix: update translate_create_glossary.js (#403)

Author: nnegrey

translate/v3/translate_create_glossary.js

@@ -17,15 +17,15 @@
 function main(
   projectId = 'YOUR_PROJECT_ID',
   location = 'us-central1',
-  glossaryId = 'glossary-id'
+  glossaryId = 'your-glossary-display-name'
 ) {
   // [START translate_v3_create_glossary]
   /**
    * TODO(developer): Uncomment these variables before running the sample.
    */
   // const projectId = 'YOUR_PROJECT_ID';
   // const location = 'global';
-  // const glossaryId = 'YOUR_GLOSSARY_ID';
+  // const glossaryId = 'your-glossary-display-name';
 
   // Imports the Google Cloud Translation library
   const {TranslationServiceClient} = require('@google-cloud/translate');