Update docs/schematypes.md

Co-authored-by: Bailey Pearson <[email protected]>

Author: aditi-khare-mongoDB

docs/schematypes.md

@@ -664,7 +664,7 @@ const student = new Student({ id: 1339 });
 typeof student.id; // 'number'
 ```
 
-There are several types of values that will be successfully cast to a Number.
+There are several types of values that will be successfully cast to an Int32.
 
 ```javascript
 new Student({ id: '15' }).id; // 15 as a Int32