Update src/content/compatibility-flags/process-env.md

Author: jasnell

src/content/compatibility-flags/process-env.md

@@ -11,9 +11,10 @@ enable_date: "2025-04-01"
 disable_flag: "nodejs_compat_do_not_populate_process_env"
 ---
 
-When the `nodejs_compat_populate_process_env` compatibility flag is used in conjunction with
-the `nodejs_compat` compatibility flag, all environment variables configured for the
-Worker are added as string values to the `process.env` global.
+When the [`nodejs_compat_populate_process_env`](/workers/configuration/compatibility-flags/#nodejs_compat_populate_process_env)
+compatibility flag is used in conjunction with the `nodejs_compat` compatibility
+flag, all environment variables configured for the Worker are added as string values
+to the `process.env` global.
 
 If the `disallow_importable_env` compatibility flag is set, the `process.env`
 will not be populated.