Fix typo in changelog (#323)

Author: fredj

CHANGELOG.md

@@ -14,7 +14,7 @@
 - Migrated the production code to typescript
 - ** Breaking Change ** removed `version` from the public API
 - ** Breaking Change ** stopped supporting IE (internet explorer)
-- ** Breaking Change ** removed all code related to `accessToken` and mabox specific urls, including telemetry etc
+- ** Breaking Change ** removed all code related to `accessToken` and mapbox specific urls, including telemetry etc
 - ** Breaking Change ** removed `baseApiUrl` as it was used only for mapbox related urls
 - Added redraw function to map (#206)
 - *...Add new stuff here...*