Change from staging to staging environment.

docs/dev/publicdashboard/Working_with_public_dashboard.md

@@ -10,7 +10,7 @@
     - Load different datasets, run the scripts to execute the notebooks to make sure the charts are being generate properly.
     - Between datasets, drop the old dataset and load the new dataset.
     - Also check with empty MongoDB.
-3. After the code has been merged, validate the changes on the staging.
+3. After the code has been merged, validate the changes on the staging environment.
     - Generate a snapshot of the charts from the staging website.
     - Request for the dataset for staging-program.
     - Validate the changes for both the charts and the Front end aspect.