Apply suggestions from code review

Co-authored-by: Eric Holscher <[email protected]>

Author: humitos

docs/user/build-customization.rst

@@ -110,7 +110,7 @@ Cancel build based on a condition
 
 When a command exits with code ``183``,
 Read the Docs will cancel the build immediately.
-We can use this approach to cancel builds we don't want to complete based on a condition.
+You can use this approach to cancel builds that you don't want to complete based on some conditional logic.
 
 Here is an example that cancels builds from pull requests when there are no changes to the ``docs/`` folder compared to the ``origin/main`` branch:
 

docs/user/builds.rst

@@ -68,7 +68,7 @@ The following are the pre-defined jobs executed by Read the Docs:
     it's possible to run user-defined commands and :doc:`customize the build process <build-customization>`.
 
 
-Cancelling builds
+When to cancel builds
 -----------------
 
 There may be situations where you want to cancel a particular running build.
@@ -77,7 +77,7 @@ our environmental footprint.
 
 Consider the following scenarios:
 
-* the build depends on an external situation that's not met yet
+* the build has an external dependency that hasn't been updated
 * there were no changes on the documentation files
 * the user wants it for any particular reason