Refine summaries in bundle_install_list.md

Updated summaries for flags.status and flags.created-last-days.

Author: jshackell-sfdc

messages/bundle_install_list.md

@@ -12,15 +12,15 @@ To get information about a specific request, run "<%= config.bin %> package bund
 
 # flags.status.summary
 
-Filter the list by the status of the installation request. Valid values are: Queued, Success, and Error.
+Status of the installation request, used to filter the list.
 
 # flags.verbose.summary
 
 Display additional information, such as the validation text for each package bundle installation request.
 
 # flags.created-last-days.summary
 
-Filter the list by the number of days since the request was created, starting at 0. Use 0 for today.
+Number of days since the request was created, starting at 0. Use 0 for today.
 
 # examples