diff --git a/server/README.md b/server/README.md
index b26066e..5284d1c 100644
--- a/server/README.md
+++ b/server/README.md
@@ -34,5 +34,6 @@ npm start
 
 ## Security
 - **Rate Limiting**: IP-based connection limits and socket-based event limits.
-- **Token Handshake**: Requires a valid token defined in `shared/constants.js`.
+- **Token Handshake**: Requires a valid token defined in the root `shared/constants.js`.
+- **Single Source of Truth**: The server imports constants directly from the root `shared/` directory.
 - **In-Memory**: Rooms are automatically pruned after 2 hours of inactivity.
diff --git a/shared/README.md b/shared/README.md
index 1736ae9..ccc1f68 100644
--- a/shared/README.md
+++ b/shared/README.md
@@ -4,7 +4,7 @@ This directory contains constants and protocol definitions used by both the exte
 
 ## Syncing with the Extension
 > [!IMPORTANT]
-> Every time this file is modified, you must run `scripts/sync-constants.sh` to keep the extension's copy up to date.
+> Every time this file is modified, you must run `node scripts/build-extension.js` to keep the extension's copy up to date.
 
 Because Chrome Extensions cannot load files outside their root directory, `constants.js` must be copied to `extension/shared/constants.js` whenever it is modified.