Add missing periods on CLI options descriptions

Author: Uaitt

lib/rubocop/options.rb

@@ -573,7 +573,7 @@ module OptionsHelp
                                          'cops. Only valid for --format junit.'],
       display_only_fail_level_offenses:
                                         ['Only output offense messages at',
-                                         'the specified --fail-level or above'],
+                                         'the specified --fail-level or above.'],
       display_only_correctable:         ['Only output correctable offense messages.'],
       display_only_safe_correctable:    ['Only output safe-correctable offense messages',
                                          'when combined with --display-only-correctable.'],
@@ -636,8 +636,8 @@ module OptionsHelp
       raise_cop_error:                  ['Raise cop-related errors with cause and location.',
                                          'This is used to prevent cops from failing silently.',
                                          'Default is false.'],
-      profile:                          'Profile rubocop',
-      memory:                           'Profile rubocop memory usage'
+      profile:                          'Profile rubocop.',
+      memory:                           'Profile rubocop memory usage.'
     }.freeze
   end
   # rubocop:enable Metrics/ModuleLength

spec/rubocop/options_spec.rb

@@ -146,7 +146,7 @@ def abs(path)
                                                cops. Only valid for --format junit.
                   --display-only-fail-level-offenses
                                                Only output offense messages at
-                                               the specified --fail-level or above
+                                               the specified --fail-level or above.
                   --display-only-correctable   Only output correctable offense messages.
                   --display-only-safe-correctable
                                                Only output safe-correctable offense messages
@@ -213,8 +213,8 @@ def abs(path)
           expected_help += <<~OUTPUT
 
             Profiling Options:
-                    --profile                    Profile rubocop
-                    --memory                     Profile rubocop memory usage
+                    --profile                    Profile rubocop.
+                    --memory                     Profile rubocop memory usage.
           OUTPUT
         end