remove traillingslash and backticks

Author: eltharin

doctrine.rst

@@ -867,7 +867,7 @@ Mapped Route Parameters
 When many route parameters are used to find more than one entity,
 it is mandatory to use ``#[MapEntity]`` attributes and this can become cumbersome::
 
-    #[Route('/document/{slug}/{id}-{name}/')]
+    #[Route('/document/{slug}/{id}-{name}')]
     public function showDocument(
         #[MapEntity(mapping: ['slug' => 'slug'])]
         Category $category,
@@ -884,7 +884,7 @@ As an alternative, you can also use Mapped Route Parameters.
 
 When adding route parameters, you can now define the mapping between the route parameter and the controller argument::
 
-    #[Route('/document/{slug:category}/{id:document}-{name:document}/')]
+    #[Route('/document/{slug:category}/{id:document}-{name:document}')]
     public function showDocument(Document $document, Category $category): Response
     {
         // the database queries in this case would be:
@@ -894,7 +894,7 @@ When adding route parameters, you can now define the mapping between the route p
 
 .. versionadded:: 7.1
 
-    The ``Mapped Route Parameters`` was introduced in Symfony 7.1.
+    The Mapped Route Parameters was introduced in Symfony 7.1.
 
 Updating an Object
 ------------------