Cross-link backwards compatibility policy with guidance

Add links to contributor and release manager guidance.

Closes #8532.

PiperOrigin-RevId: 250890258
diff --git a/site/docs/backward-compatibility.md b/site/docs/backward-compatibility.md
index 59fb66b..1776e0c 100644
--- a/site/docs/backward-compatibility.md
+++ b/site/docs/backward-compatibility.md
@@ -14,6 +14,7 @@
 * Expected breaking change in release X.Y: label **breaking-change-X.Y** (for example: [**breaking-change-0.21**](https://github.com/bazelbuild/bazel/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3Abreaking-change-0.21))
 * Release X.Y is in a migration window: label **migration-X.Y** (for example: [**migration-0.21**](https://github.com/bazelbuild/bazel/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3Amigration-0.21))
 
+
 ## At a glance
 
 1. Every breaking change is guarded with an `--incompatible_*` flag.
@@ -25,6 +26,12 @@
 1. APIs and behavior guarded by an `--experimental_*` flag can change at any time.
 1. Users should never run their production builds with `--experimental_*`  or `--incompatible_*` flags.
 
+### How to follow this policy
+
+* [For contributors - best practices for incompatible changes](../../breaking-changes-guide.html)
+* <a href='https://github.com/bazelbuild/continuous-integration/tree/master/docs/release-playbook.%6D%64'>For release managers - how to update issue labels and release</a>
+
+
 ## What is stable functionality?
 
 In general, if an API or a behavior is available in Bazel without
@@ -86,3 +93,4 @@
 [breaking-change-0.21](https://github.com/bazelbuild/bazel/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3Abreaking-change-0.21)).
 
 
+