Apply suggestions from code review

Co-authored-by: MSFT-Andrea <v-andreadr@microsoft.com>

Author: MSFT-Andrea

api-reference/beta/resources/educationalactivitydetail.md

@@ -20,14 +20,14 @@ Represents more detail about an undergraduate, graduate, postgraduate degree, or
 
 | Property     | Type             | Description                                                   |
 |:-------------|:-----------------|:--------------------------------------------------------------|
-|abbreviation  |String            |Shortened name of the degree or program (example: PhD, MBA)    |
+|abbreviation  |String            |Shortened name of the degree or program, for example, `PhD` and `MBA`.    |
 |activities    |String collection |Extracurricular activities undertaken alongside the program.   |
 |awards        |String collection |Any awards or honors associated with the program.              |
 |description   |String            |Short description of the program provided by the user.         |
 |displayName   |String            |Long-form name of the program that the user provided.          |
-|fieldsOfStudy |String collection |Majors and minors associated with the program. (if applicable) |
-|grade         |String            |The final grade, class, GPA, or score.                         |
-|notes         |String            |More notes the user provided.                                  |
+|fieldsOfStudy |String collection |Majors and minors associated with the program, if applicable. |
+|grade         |String            |The final grade, class, grade point average (GPA), or score.                         |
+|notes         |String            |More notes provided by the user.                                  |
 |webUrl        |String            |Link to the degree or program page.                            |
 
 ## JSON representation