fix exception message

Spigot-Server-Patches/0403-Show-blockstate-location-if-we-failed-to-read-it.patch

@@ -26,7 +26,7 @@ index 7cb4c3e503..c3405950d8 100644
 +            if (thr instanceof ThreadDeath) {
 +                throw (ThreadDeath)thr;
 +            }
-+            throw new RuntimeException("Failed to read block state at location: (" + block.getX() + ", " + block.getY() + ", " + block.getZ() + ")", thr);
++            throw new RuntimeException("Failed to read BlockState at location: (" + block.getX() + ", " + block.getY() + ", " + block.getZ() + ")", thr);
 +        }
 +        // Paper end
      }