docs: fix typos (#8133)

Co-authored-by: Tim Lai <timothy.lai@smartbear.com>

docs/usage/oauth2.md

@@ -4,14 +4,14 @@ You can configure OAuth 2.0 authorization by calling the `initOAuth` method.
 Property name | Docker variable |  Description
 --- | --- | ------
 clientId | `OAUTH_CLIENT_ID` | Default clientId. MUST be a string
-clientSecret | `OAUTH_CLIENT_SECRET` | **🚨 Never use this parameter in your production environment. It exposes cruicial security information. This feature is intended for dev/test environments only. 🚨** <br>Default clientSecret. MUST be a string
+clientSecret | `OAUTH_CLIENT_SECRET` | **🚨 Never use this parameter in your production environment. It exposes crucial security information. This feature is intended for dev/test environments only. 🚨** <br>Default clientSecret. MUST be a string
 realm | `OAUTH_REALM` |realm query parameter (for oauth1) added to `authorizationUrl` and `tokenUrl`. MUST be a string
 appName | `OAUTH_APP_NAME` |application name, displayed in authorization popup. MUST be a string
 scopeSeparator | `OAUTH_SCOPE_SEPARATOR` |scope separator for passing scopes, encoded before calling, default value is a space (encoded value `%20`). MUST be a string
 scopes | `OAUTH_SCOPES` |string array or scope separator (i.e. space) separated string of initially selected oauth scopes, default is empty array
 additionalQueryStringParams | `OAUTH_ADDITIONAL_PARAMS` |Additional query parameters added to `authorizationUrl` and `tokenUrl`. MUST be an object
 useBasicAuthenticationWithAccessCodeGrant | `OAUTH_USE_BASIC_AUTH` |Only activated for the `accessCode` flow.  During the `authorization_code` request to the `tokenUrl`, pass the [Client Password](https://tools.ietf.org/html/rfc6749#section-2.3.1) using the HTTP Basic Authentication scheme (`Authorization` header with `Basic base64encode(client_id + client_secret)`).  The default is `false`
-usePkceWithAuthorizationCodeGrant | `OAUTH_USE_PKCE` | Only applies to `authorizatonCode` flows. [Proof Key for Code Exchange](https://tools.ietf.org/html/rfc7636) brings enhanced security for OAuth public clients. The default is `false`
+usePkceWithAuthorizationCodeGrant | `OAUTH_USE_PKCE` | Only applies to `Authorization Code` flows. [Proof Key for Code Exchange](https://tools.ietf.org/html/rfc7636) brings enhanced security for OAuth public clients. The default is `false`
 
 ```javascript
 const ui = SwaggerUI({...})