Update docs to remove fsmonitor warning

git fsmonitor is fixed, so remove the warning.

Bug: 1475405
Change-Id: I1e29fa523256bb362560025419fd2a37c246a99a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4902271
Commit-Queue: Josip Sokcevic <[email protected]>
Auto-Submit: Avi Drissman <[email protected]>
Reviewed-by: Josip Sokcevic <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1203311}
diff --git a/docs/ios/build_instructions.md b/docs/ios/build_instructions.md
index ac89e1e..65dc7d2 100644
--- a/docs/ios/build_instructions.md
+++ b/docs/ios/build_instructions.md
@@ -499,7 +499,8 @@
 
 You can significantly speed up git by using [fsmonitor.](https://github.blog/2022-06-29-improve-git-monorepo-performance-with-a-file-system-monitor/)
 You should enable fsmonitor in large repos, such as Chromium and v8. Enabling
-it globally will launch many processes and probably isn't worthwhile. The
+it globally will launch many processes and probably isn't worthwhile. Be sure
+you have at least version 2.43 (fsmonitor on the Mac is broken before then). The
 command to enable fsmonitor in the current repo is:
 
 ```shell