fix: missing paragraph close tag (#1813)

Author: Romaixn

core/extending-jsonld-context.md

@@ -2,7 +2,7 @@
 
 ## JSON-LD
 
-<p align="center" class="symfonycasts"><a href="https://symfonycasts.com/screencast/api-platform/json-ld?cid=apip"><img src="../distribution/images/symfonycasts-player.png" alt="JSON-LD screencast"><br>Watch the JSON-LD screencast</a>
+<p align="center" class="symfonycasts"><a href="https://symfonycasts.com/screencast/api-platform/json-ld?cid=apip"><img src="../distribution/images/symfonycasts-player.png" alt="JSON-LD screencast"><br>Watch the JSON-LD screencast</a></p>
 
 API Platform Core provides the possibility to extend the JSON-LD context of properties. This allows you to describe JSON-LD-typed 
 values, inverse properties using the `@reverse` keyword and you can even overwrite the `@id` property this way. Everything you define

core/filters.md

@@ -12,7 +12,7 @@ By default, all filters are disabled. They must be enabled explicitly.
 When a filter is enabled, it automatically appears in the [OpenAPI](swagger.md) and [GraphQL](graphql.md) documentations.
 It is also automatically documented as a `hydra:search` property for JSON-LD responses.
 
-<p align="center" class="symfonycasts"><a href="https://symfonycasts.com/screencast/api-platform/filters?cid=apip"><img src="../distribution/images/symfonycasts-player.png" alt="Filtering and Searching screencast"><br>Watch the Filtering & Searching screencast</a>
+<p align="center" class="symfonycasts"><a href="https://symfonycasts.com/screencast/api-platform/filters?cid=apip"><img src="../distribution/images/symfonycasts-player.png" alt="Filtering and Searching screencast"><br>Watch the Filtering & Searching screencast</a></p>
 
 ## Doctrine ORM and MongoDB ODM Filters
 

core/jwt.md

@@ -12,10 +12,13 @@ API Platform allows to easily add a JWT-based authentication to your API using [
 
 We begin by installing the bundle:
 
+```
     $ docker-compose exec php composer require jwt-auth
+```
 
 Then we need to generate the public and private keys used for signing JWT tokens. If you're using the [API Platform distribution](../distribution/index.md), you may run this from the project's root directory:
 
+```
     $ docker-compose exec php sh -c '
         set -e
         apk add openssl
@@ -26,6 +29,7 @@ Then we need to generate the public and private keys used for signing JWT tokens
         setfacl -R -m u:www-data:rX -m u:"$(whoami)":rwX config/jwt
         setfacl -dR -m u:www-data:rX -m u:"$(whoami)":rwX config/jwt
     '
+```
 
 Note that the `setfacl` command relies on the `acl` package. This is installed by default when using the API Platform docker distribution but may need be installed in your working environment in order to execute the `setfacl` command.
 

core/security.md

@@ -4,7 +4,7 @@ The API Platform security layer is built on top of the [Symfony Security compone
 All its features, including [global access control directives](http://symfony.com/doc/current/book/security.html#securing-url-patterns-access-control) are supported.
 API Platform also provides convenient [access control expressions](https://symfony.com/doc/current/expressions.html#security-complex-access-controls-with-expressions) which you can apply at resource and operation level.
 
-<p align="center" class="symfonycasts"><a href="https://symfonycasts.com/screencast/api-platform-security/?cid=apip"><img src="../distribution/images/symfonycasts-player.png" alt="Security screencast"><br>Watch the Security screencast</a>
+<p align="center" class="symfonycasts"><a href="https://symfonycasts.com/screencast/api-platform-security/?cid=apip"><img src="../distribution/images/symfonycasts-player.png" alt="Security screencast"><br>Watch the Security screencast</a></p>
 
 [codeSelector]
 ```php