Fix linting issues

.spelling

@@ -59,4 +59,5 @@ uri
 url 
 dropdown
 special
-org
+org
+GitHub

README.md

@@ -1,11 +1,13 @@
 # Box OpenAPI 3.0 Specification
 
+<!-- markdownlint-disable line-length -->
 ![CI](https://github.com/box/box-openapi/workflows/CI/badge.svg) [![Project Status](https://opensource.box.com/badges/active.svg)](http://opensource.box.com/badges)
 
 This repository contains the build system for the Box OpenAPI 3.0 Specification (OAS3) of the [Box Platform API](https://developers.box.com/).
 
 > **Note**: Due to changes in API schema development process, this repository is currently frozen. This means we are not actively contributing to the repository, apart from necessary fixes and improvements that help us to put the new process in place even faster. 
 You can still use the raw sources for specification available in the **Download** section.
+
 ## Downloads
 
 The `main` branch of this repository only contains the raw source for the
@@ -25,7 +27,7 @@ The older and incomplete Swagger 2.0 specification is still available on the
 
 ## Contribution
 
-* If you notice that the content requires improvements or you feel that some information is missing add a new [Github issue](https://github.com/box/box-openapi/issues) and describe the issue.
+* If you notice that the content requires improvements or you feel that some information is missing add a new [GitHub issue](https://github.com/box/box-openapi/issues) and describe the issue.
 * If you are a Boxer, create a Developer Documentation ticket or use the `#dev-docs-feedback` Slack channel for assistance.
 
 ## Usage & License
@@ -40,3 +42,4 @@ Unless required by applicable law or agreed to in writing, software distributed
 under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 CONDITIONS OF ANY KIND, either express or implied. See the License for the
 specific language governing permissions and limitations under the License.
+<!-- markdownlint-enable line-length -->