diff --git a/doc/code-walkthrough.md b/doc/code-walkthrough.md
index 4797d7cfd1..d72a7208d8 100644
--- a/doc/code-walkthrough.md
+++ b/doc/code-walkthrough.md
@@ -58,7 +58,7 @@ The tests are also divided into several parts:
 [redis-token-persistence.integration]: https://github.com/badges/shields/blob/master/core/token-pooling/redis-token-persistence.integration.js
 [github-api-provider.integration]: https://github.com/badges/shields/blob/master/services/github/github-api-provider.integration.js
 
-Our goal is for the core code is to reach 100% coverage of the code in the
+Our goal is to reach 100% coverage of the code in the
 frontend, core, and service helper functions when the unit and functional
 tests are run.
 
@@ -95,7 +95,7 @@ test this kind of logic through unit tests (e.g. of `render()` and
     callback with the four parameters `( queryParams, match, end, ask )` which
     is created in a legacy helper function in
     [`legacy-request-handler.js`][legacy-request-handler]. This callback
-    delegates to a callback in `BaseService.register` with four different
+    delegates to a callback in `BaseService.register` with three different
     parameters `( queryParams, match, sendBadge )`, which
     then runs `BaseService.invoke`. `BaseService.invoke` instantiates the
     service and runs `BaseService#handle`.