docs: fix typos and grammar in documentation

- Fix spelling of "occurred" in overview.mdx
- Add missing bracket in libraries.mdx Drupal link
- Fix spelling of "PostgreSQL" in self-host.mdx
- Change "an list" to "a list" in autocomplete.mdx
- Remove duplicate "the" in bulk.mdx
- Clarify widesearch parameter description in reverse-geocode.mdx

Author: cblanc

docs/libraries.mdx

@@ -16,7 +16,7 @@ title: "Libraries"
 ## PHP
 
 - [LaravelPostcodes](https://github.com/JustSteveKing/LaravelPostcodes) by [Steve McDougall](https://github.com/JustSteveKing)
-- [Postcodes.io API module for Drupal](https://www.drupal.org/project/postcodes_io_api) by Dakku Singh](https://github.com/dakkusingh)
+- [Postcodes.io API module for Drupal](https://www.drupal.org/project/postcodes_io_api) by [Dakku Singh](https://github.com/dakkusingh)
 - [postcodes-io-bundle](https://github.com/boxuk/postcodes-io-bundle) by the people at [Box UK](https://www.boxuk.com/). Read the [blog post](https://www.boxuk.com/insight/)
 - [(adityamenon) postcodes-io laravel package](https://github.com/adityamenon/postcodes-io-laravel) by [Aditya Menon](https://adityamenon.co/)
 - [PHP Class for Postcodes.io](https://github.com/ryryan/Postcodes-IO-PHP) by Ryan

docs/overview.mdx

@@ -104,7 +104,7 @@ To perform one-time data extraction tasks using SQL, see our [local data extract
 
 ## Error Handling
 
-To check for errors, examine the HTTP response code. 200 response indicates success while any other code will provide important information about why an error occured.
+To check for errors, examine the HTTP response code. 200 response indicates success while any other code will provide important information about why an error occurred.
 
 Alternatively, you can examine status code in the 'status' property in the result body.
 

docs/postcode/autocomplete.mdx

@@ -3,7 +3,7 @@ sidebar_label: "Autocomplete"
 title: "Autocomplete a Postcode"
 ---
 
-Convenient method to return an list of matching postcodes.
+Convenient method to return a list of matching postcodes.
 
 ## Endpoint
 

docs/postcode/bulk.mdx

@@ -7,7 +7,7 @@ This endpoint allows you to retrieve data for multiple postcodes in a single req
 
 Returns matching postcode data for each valid postcode provided. If a postcode is not found, its result will be null.
 
-For more details, see the [the API Documentation](/docs/api/bulk-postcode-lookup).
+For more details, see the [API Documentation](/docs/api/bulk-postcode-lookup).
 
 ## Endpoint
 

docs/postcode/reverse-geocode.mdx

@@ -88,4 +88,4 @@ https://api.postcodes.io/postcodes?lon=-0.127&lat=51.507
 | ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------- | ----------------------- | ------------------ |
 | `limit`      | Limits number of postcode matches to return                                                                                                                    | 10      | Maximum value is 100    | `&limit=5`         |
 | `radius`     | Sets search radius in meters                                                                                                                                   | 100m    | Maximum value is 2,000m | `&radius=500`      |
-| `widesearch` | Enables a wide area search up to 20km radius, but returns a maximum of 10 results. When set to `true`, any `radius` over 10 and `limit` parameters are ignored | `false` | -                       | `&widesearch=true` |
+| `widesearch` | Enables a wide area search up to 20km radius, but returns a maximum of 10 results. When set to `true`, any `radius` and `limit` parameters are ignored | `false` | -                       | `&widesearch=true` |

docs/self-host.mdx

@@ -57,4 +57,4 @@ Example Usage:
 $ docker run -p 5432 -e POSTGRES_USER=postcodesio -e POSTGRES_DB=postcodesiodb -e POSTGRES_PASSWORD=password idealpostcodes/postcodes.io.db
 ```
 
-As this contains the official PostreSQL base image, the available configuration environment variables are documented [here](https://hub.docker.com/_/postgres/)
+As this contains the official PostgreSQL base image, the available configuration environment variables are documented [here](https://hub.docker.com/_/postgres/)