Add a path to the generated Xcode workspace in the build document.
It was a bit unclear to me where the workspace is.
Review-Url: https://codereview.chromium.org/2894533002
Cr-Commit-Position: refs/heads/master@{#472689}
diff --git a/docs/ios/build_instructions.md b/docs/ios/build_instructions.md
index b841bee..6395b7b1 100644
--- a/docs/ios/build_instructions.md
+++ b/docs/ios/build_instructions.md
@@ -81,7 +81,8 @@
Since the iOS build is a bit more complicated than a desktop build, we provide
`ios/build/tools/setup-gn.py`, which will create four appropriately configured
build directories under `out` for Release and Debug device and simulator
-builds, and generates an appropriate Xcode workspace as well.
+builds, and generates an appropriate Xcode workspace
+(`out/build/all.xcworkspace`) as well.
You can customize the build by editing the file `$HOME/.setup-gn` (create it if
it does not exist). Look at `src/ios/build/tools/setup-gn.config` for
