fix comments

src/azure-cli/azure/cli/command_modules/storage/_help.py

@@ -591,7 +591,7 @@
   - name: Upload all files that end with .py unless blob exists and has been modified since given date.
     text: |
         az storage blob upload-batch -d mycontainer --account-name mystorageaccount -s <path-to-directory> --pattern *.py --if-unmodified-since 2018-08-27T20:51Z
-  - name: Upload all files in local path directory to a container named "mycontainer".
+  - name: Upload all files from local path directory to a container named "mycontainer".
     text: |
         az storage blob upload-batch -d mycontainer --account-name mystorageaccount -s <path-to-directory>
   - name: Upload all files with the format 'cli-2018-xx-xx.txt' or 'cli-2019-xx-xx.txt' in local path directory.
@@ -998,7 +998,6 @@
   - name: Download files from an Azure Storage File Share to a local directory in a batch operation. (autogenerated)
     text: az storage file download-batch --account-key 00000000 --account-name MyAccount --destination . --no-progress --source /path/to/file
     crafted: true
-
 """
 
 helps['storage file exists'] = """