Update step title

Author: Nikschavan

features/plugin.feature

@@ -351,7 +351,7 @@ Feature: Manage WordPress plugins
       """
 
     When I run `wp plugin list --fields=name,status,update`
-    Then STDOUT should be table containing rows:
+    Then STDOUT should be a table containing rows:
       | name               | status   | update    |
       | wordpress-importer | inactive | available |
 
@@ -362,7 +362,7 @@ Feature: Manage WordPress plugins
       """
 
     When I run `wp plugin list --fields=name,status,update --skip-update-check`
-    Then STDOUT should be table containing rows:
+    Then STDOUT should be a table containing rows:
       | name               | status   | update    |
       | wordpress-importer | inactive | none      |
 

features/theme.feature

@@ -188,7 +188,7 @@ Feature: Manage WordPress themes
       """
 
     When I run `wp theme list --fields=name,status,update`
-    Then STDOUT should be table containing rows:
+    Then STDOUT should be a table containing rows:
       | name  | status   | update    |
       | astra | inactive | available |
 
@@ -199,7 +199,7 @@ Feature: Manage WordPress themes
       """
 
     When I run `wp theme list --fields=name,status,update --skip-update-check`
-    Then STDOUT should be table containing rows:
+    Then STDOUT should be a table containing rows:
       | name  | status   | update |
       | astra | inactive | none   |