Fix malformed Markdown in definitions

The angle brackets in these definitions were causing problems for
our Markdown parser.

app/graphql/resolvers/ci/runner_projects_resolver.rb

@@ -21,8 +21,8 @@ class RunnerProjectsResolver < BaseResolver
                    'Specify `"id_asc"` if query results\' order is important',
                  milestone: '15.4'
                },
-               description: "Sort order of results. Format: '<field_name>_<sort_direction>', " \
-                 "for example: 'id_desc' or 'name_asc'"
+               description: "Sort order of results. Format: `<field_name>_<sort_direction>`, " \
+                 "for example: `id_desc` or `name_asc`"
 
       def resolve_with_lookahead(**args)
         return unless runner.project_type?

app/graphql/resolvers/projects_resolver.rb

@@ -12,8 +12,8 @@ class ProjectsResolver < BaseResolver
 
     argument :sort, GraphQL::Types::String,
              required: false,
-             description: "Sort order of results. Format: '<field_name>_<sort_direction>', " \
-                 "for example: 'id_desc' or 'name_asc'"
+             description: "Sort order of results. Format: `<field_name>_<sort_direction>`, " \
+                 "for example: `id_desc` or `name_asc`"
 
     def resolve(**args)
       ProjectsFinder

doc/api/graphql/reference/index.md

@@ -320,7 +320,7 @@ four standard [pagination arguments](#connection-pagination-arguments):
 | <a id="queryprojectsmembership"></a>`membership` | [`Boolean`](#boolean) | Return only projects that the current user is a member of. |
 | <a id="queryprojectssearch"></a>`search` | [`String`](#string) | Search query, which can be for the project name, a path, or a description. |
 | <a id="queryprojectssearchnamespaces"></a>`searchNamespaces` | [`Boolean`](#boolean) | Include namespace in project search. |
-| <a id="queryprojectssort"></a>`sort` | [`String`](#string) | Sort order of results. Format: '<field_name>_<sort_direction>', for example: 'id_desc' or 'name_asc'. |
+| <a id="queryprojectssort"></a>`sort` | [`String`](#string) | Sort order of results. Format: `<field_name>_<sort_direction>`, for example: `id_desc` or `name_asc`. |
 | <a id="queryprojectstopics"></a>`topics` | [`[String!]`](#string) | Filter projects by topics. |
 ### `Query.queryComplexity`