docs: locale sync command fix

Author: lidel

DEVELOPER-NOTES.md

@@ -22,7 +22,7 @@ Manually test a few things that don't transfer well to automated testing:
 4. **Mac/Windows:** Confirm that OS-wide protocol handler was registered by opening <a href="ipfs://bafybeigdyrzt5sfp7udm7hu76uh7y26nf3efuylqabf3oclgtqy55fbzdi">`ipfs://bafybeigdyrzt5sfp7udm7hu76uh7y26nf3efuylqabf3oclgtqy55fbzdi`</a> in a user agent _without_ IPFS Companion
 
 ### Main release process
-1. Fetch new translations from Transifex: `tx pull -a`.
+1. Fetch new translations from Transifex: `tx pull -af`.
 2. Commit the changes.
 3. Bump the version in `package.json`.
 4. Commit the changes.