Update install-worker.sh (#96)

Examples should match the actual script/file name

Author: gbrueckl

deployment/install-worker.sh

@@ -5,17 +5,17 @@
 # This is a helper script to install the worker binaries on your Apache Spark cluster
 #
 # Usage:
-# ./install-script.sh <release-provider> <path-to-worker-release> <local-worker-installation-path>
+# ./install-worker.sh <release-provider> <path-to-worker-release> <local-worker-installation-path>
 #
 # Sample usage:
-# ./install-script.sh
+# ./install-worker.sh
 #    github
 #    https://github.com/dotnet/spark/releases/download/v0.1.0/Microsoft.Spark.Worker.netcoreapp2.1.linux-x64-0.1.0.tar.gz
 #    /usr/local/bin
 #
 # or if you have your Worker release on filesystem like ABFS, here's how the path would
 # look like:
-# ./install-script.sh
+# ./install-worker.sh
 #    azure
 #    abfs://<blobcontainer>@<gen2storageaccount>.dfs.core.windows.net/<path>/Microsoft.Spark.Worker.netcoreapp2.1.linux-x64-0.1.0.tar.gz
 #    /usr/local/bin