docs: add missing commit link to troubleshooting

docs/troubleshooting.md

@@ -52,7 +52,7 @@ Another possible cause is that the access control policy does not allow populati
 
 ## Strapi error ’relation already exists’ on restart after editing the content model
 
-If Strapi gives an error dealing with creating a table with the message that a relation or table already exists, such as the example below, it may be due to [a name that is longer than 63 characters](https://forum.strapi.io/t/create-index-already-exists/16835/7). To fix, shorten the name of the component or its parent. If the name cannot be easily shortened, you can only edit the internal names. For an example, see commit .
+If Strapi gives an error dealing with creating a table with the message that a relation or table already exists, such as the example below, it may be due to [a name that is longer than 63 characters](https://forum.strapi.io/t/create-index-already-exists/16835/7). To fix, shorten the name of the component or its parent. If the name cannot be easily shortened, you can only edit the internal names. For an example, see [this commit](https://github.com/OpenVAA/voting-advice-application/pull/577/commits/a9689458045ee1ebb9e2d00243d2befa5d571574).
 
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