update excerpt with desired outcome (#15654)

Author: Marcy Sutton

docs/blog/2019-07-11-user-testing-accessible-client-routing/index.md

@@ -2,12 +2,15 @@
 title: What we learned from user testing of accessible client-side routing techniques with Fable Tech Labs
 author: Marcy Sutton
 date: 2019-07-11
-excerpt: "We conducted 5 user testing sessions for accessibility research with Fable Tech Labs to determine which client-side routing techniques are the most ergonomic and intuitive to users with disabilities, and if any of the techniques presented barriers detracting from their browsing experience."
+excerpt: "We conducted 5 user testing sessions with Fable Tech Labs to determine which client-side routing techniques are the most accessible to people with disabilities. With this research, we can make more informed decisions for accessible page changes in sites built with Gatsby, React, and beyond."
 tags:
   - accessibility
   - user testing
   - client-side routing
   - React
+  - JavaScript
+  - components
+  - research
   - UI
 ---