Correct link I didn't update

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: morsssss

docs/learning-how-tos/examples-and-guides.mdx

@@ -7,7 +7,7 @@ public: true
 <CardGroup cols={2}>
   <Card title="DeepL API 101" horizontal href="/docs/learning-how-tos/examples-and-guides/first-things-to-try-with-the-deepl-api">
   </Card>
-  <Card title="Translation: a beginner's guide" horizontal href="/docs/learning-how-tos/examples-and-guides/placeholder-tags">    
+  <Card title="Translation: a beginner's guide" horizontal href="/docs/learning-how-tos/examples-and-guides/translation-beginners-guide">    
   </Card>
   <Card title="Mustache placeholder tags" horizontal href="/docs/learning-how-tos/examples-and-guides/placeholder-tags">    
   </Card>