Fix format of a changeset file

Fixed the format of a changeset file. I had hand edited a changeset in a previous PR and accidentally stripped out the "release notes" section.

Author: DellaBitta

.changeset/late-humans-tan.md

@@ -7,3 +7,6 @@
 '@firebase/database': patch
 'firebase': patch
 '@firebase/auth': patch
+---
+
+Fixed typos in documentation and some internal variables and parameters.