Apply suggestion to docs/installation_instructions.md

docs/installation_instructions.md

@@ -93,7 +93,7 @@ Setting up OpenAppStack on your VPS happens in three steps:
 ### Set up cluster
 
 To set up your cluster, use the `create` subcommand of the OpenAppStack CLI.
-First, think of a name for your cluster. Then run the following command to get
+First, choose a name for your cluster. Then run the following command to get
 information about the `create` subcommand: 
 
     $ python -m openappstack CLUSTER_NAME create --help