docs(local-adsb): credit the altitude filter to its PR in CHANGELOG

CHANGELOG.md

@@ -7,7 +7,7 @@
   SDR or a decoder feed. A refused report keeps the previous altitude for the
   marker, the card and the 3D model alike. Three refusals in a row start over
   from the new value, and a surface report is never compared with the last
-  airborne altitude. The layer stats count refusals as `rejectedAltitudes` (Pedro Lobato, #714).
+  airborne altitude. The layer stats count refusals as `rejectedAltitudes` (Pedro Lobato, #801).
 
 - CCTV cameras whose bearing is a guess now say so. Packs mark bearings derived
   from a hash of the camera id as `headingConfidence: 'low'`, but nothing read the