diff --git a/docs/quickstart/html.md b/docs/quickstart/html.md
index e493d519..411cbce8 100644
--- a/docs/quickstart/html.md
+++ b/docs/quickstart/html.md
@@ -157,7 +157,7 @@ To reference the Redoc script with a node modules link:
 ## Step 3 - Add the <redoc> element
 
 You can add the <redoc> element to your HTML page and reference your OpenAPI
-specification using the `spec-url` attribute, or you can initialize Redoc using
+definition using the `spec-url` attribute, or you can initialize Redoc using
 a globally exposed Redoc object.
 
 ### Using the `spec-url` attribute
@@ -187,8 +187,8 @@ To add the <redoc> element with a globally exposed Redoc object:
 ```js
 Redoc.init(specOrSpecUrl, options, element, callback)
 ```
-- `specOrSpecUrl`: Either a JSON object with OpenAPI specification or a URL to the
-  specification in JSON or YAML format.
+- `specOrSpecUrl`: Either a JSON object with the OpenAPI definition or a URL to the
+  definition in JSON or YAML format.
 - `options`: See [options object](https://redoc.ly/docs/api-reference-docs/configuration/) reference.
 - `element`: DOM element Redoc will be inserted into.
 - `callback`(optional): Callback to be called after Redoc has been fully rendered.
diff --git a/docs/quickstart/intro.md b/docs/quickstart/intro.md
index c2152ec6..1a5ded45 100644
--- a/docs/quickstart/intro.md
+++ b/docs/quickstart/intro.md
@@ -25,13 +25,13 @@ The different options include using the following:
 
 You will need an OpenAPI definition. For testing purposes, you can use one of the following sample OpenAPI definitions: 
 - OpenAPI 3.0
-    - [Rebilly Users OpenAPI Specification](https://raw.githubusercontent.com/Rebilly/api-definitions/master/openapi/users.yaml)
-    - [Swagger Petstore Sample OpenAPI Specification](https://petstore3.swagger.io/api/v3/openapi.json)
+    - [Rebilly Users OpenAPI Definition](https://raw.githubusercontent.com/Rebilly/api-definitions/master/openapi/users.yaml)
+    - [Swagger Petstore Sample OpenAPI Definition](https://petstore3.swagger.io/api/v3/openapi.json)
 - OpenAPI 2.0
-    - [Thingful OpenAPI Specification](https://raw.githubusercontent.com/thingful/openapi-spec/master/spec/swagger.yaml)
-    - [Fitbit Plus OpenAPI Specification](https://raw.githubusercontent.com/TwineHealth/TwineDeveloperDocs/master/spec/swagger.yaml)
+    - [Thingful OpenAPI Definition](https://raw.githubusercontent.com/thingful/openapi-spec/master/spec/swagger.yaml)
+    - [Fitbit Plus OpenAPI Definition](https://raw.githubusercontent.com/TwineHealth/TwineDeveloperDocs/master/spec/swagger.yaml)
 
-For more information on OpenAPI specifications, refer to the [Learning OpenAPI 3](https://redoc.ly/docs/resources/learning-openapi/)
+For more information on the OpenAPI specification, refer to the [Learning OpenAPI 3](https://redoc.ly/docs/resources/learning-openapi/)
 section in the documentation.
 
 ## Live demo online