Follow styleguide for field documentation

app/graphql/types/group_type.rb

@@ -72,7 +72,7 @@ module Types
           description: 'A label available on this group' do
             argument :title, GraphQL::STRING_TYPE,
               required: true,
-              description: 'The title of the label'
+              description: 'Title of the label'
           end
 
     def label(title:)

app/graphql/types/project_type.rb

@@ -249,7 +249,7 @@ module Types
           description: 'A label available on this project' do
             argument :title, GraphQL::STRING_TYPE,
               required: true,
-              description: 'The title of the label'
+              description: 'Title of the label'
           end
 
     def label(title:)

doc/api/graphql/reference/gitlab_schema.graphql

@@ -4657,7 +4657,7 @@ type Group {
   """
   label(
     """
-    The title of the label
+    Title of the label
     """
     title: String!
   ): Label
@@ -8408,7 +8408,7 @@ type Project {
   """
   label(
     """
-    The title of the label
+    Title of the label
     """
     title: String!
   ): Label

doc/api/graphql/reference/gitlab_schema.json

@@ -12826,7 +12826,7 @@
               "args": [
                 {
                   "name": "title",
-                  "description": "The title of the label",
+                  "description": "Title of the label",
                   "type": {
                     "kind": "NON_NULL",
                     "name": null,
@@ -24728,7 +24728,7 @@
               "args": [
                 {
                   "name": "title",
-                  "description": "The title of the label",
+                  "description": "Title of the label",
                   "type": {
                     "kind": "NON_NULL",
                     "name": null,