Be more general in description. [skip ci]
## New kwarg `console` for `custom_target()`
-This keyword argument conflicts with `capture`, and is meant for commands
-that are resource-intensive and take a long time to finish. With the Ninja
-backend, setting this will add this target to [Ninja's `console`
+This keyword argument conflicts with `capture`, and is meant for
+commands that are resource-intensive and take a long time to
+finish. With the Ninja backend, setting this will add this target to
+[Ninja's `console`
pool](https://ninja-build.org/manual.html#_the_literal_console_literal_pool),
-which has special properties such as not buffering stdout and serializing all
-targets in this pool.
+which has special properties such as not buffering stdout and
+serializing all targets in this pool.
-The primary use-case for this is to be able to run external package managers
-such as `cargo` to produce build artifacts. Without setting this, the user does
-not receive any feedback about what the package manager is doing, which can
-take a very long time to download and build packages.
+The primary use-case for this is to be able to run external commands
+that take a long time to exeute. Without setting this, the user does
+not receive any feedback about what the program is doing.
