Update src/content/pages/accessibility.mdx

Fixed link.

Author: cybit

src/content/pages/accessibility.mdx

@@ -59,7 +59,7 @@ The Prague Congress Centre (PCC) is the main venue for EuroPython 2025.
 ![PCC parking map](./images/accessibility-parking-map.png)
 
 Disabled parking is available at the PCC car park, please find this information
-at https://www.praguecc.cz/en/parking-in-pcc.
+at https://www.praguecc.cz/en/parking-at-pcc .
 
 
 ### Inside The PCC