Update docs/language/learn-ql/javascript/type-tracking.rst

Co-Authored-By: Felicity Chapman <felicitymay@github.com>

Author: mchammer01

docs/language/learn-ql/javascript/type-tracking.rst

@@ -1,7 +1,7 @@
 Using type tracking for API modeling
 ====================================
 
-You can build a simple model of the Firebase API
+You can track data through an API by creating a model 
 using the CodeQL type-tracking library for JavaScript.
 
 Overview