Docker: fix closing tabs

Signed-off-by: Gabriel Lopes Rodrigues <[email protected]>

Author: mrgalopes

installation/docker.md

@@ -20,11 +20,15 @@ Use the following command to start Fluent Bit while using a configuration file:
 ```shell
 docker run -ti -v ./fluent-bit.conf:/fluent-bit/etc/fluent-bit.conf cr.fluentbit.io/fluent/fluent-bit
 ```
+{% endtab %}
 
 {% tab title="fluent-bit.yaml" %}
 ```shell
 docker run -ti -v ./fluent-bit.yaml:/fluent-bit/etc/fluent-bit.yaml cr.fluentbit.io/fluent/fluent-bit -c /fluent-bit/etc/fluent-bit.yaml
 ```
+{% endtab %}
+{% endtabs %}
+
 
 ## Tags and versions