Update travel instructions from PCC to city center (#1436)

Author: NMertsch

src/content/pages/venue.mdx

@@ -23,7 +23,7 @@ Address: 5. května 1640/65, 140 21 Praha 4, Nusle
 - **Vyšehrad:** A historic castle complex with parks and beautiful views of Prague. A must-visit.
 - **Náplavka from Vyšehrad:** A lively riverside area with pubs and spots to relax.
 - **I.P. Pavlova:** One metro stop away — great for food, with plenty of restaurants and fast-food options.
-- **City Centre:** Take the metro two stops to **Muzeum** (line C), then exit onto Wenceslas Square. To explore further, transfer to the green line at **Muzeum** and go to **Staroměstská** (Old Town Square) or **Malostranská** (across the river).
+- **City Centre:** Take the red metro line C two stops to **Muzeum**. Then exit onto Wenceslas Square and walk north-west towards the river to the Old Town Square, or take the green metro line A from **Muzeum** to **Malostranská** to get across the river.
 
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