diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0fd25f5..dbd0682 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -28,13 +28,16 @@ Missing/outdated strings:
     * `optionsBridgeBackupEnabled`
     * `optionsUserAgentWhitelistRestrictedEnabled`
     * `optionsUserAgentWhitelistRestrictedEnabledDescription`
+    * `optionsOptionRecommended`
 
 * `es`
     * `optionsBridgeBackupEnabled`
     * `optionsUserAgentWhitelistRestrictedEnabled`
     * `optionsUserAgentWhitelistRestrictedEnabledDescription`
+    * `optionsOptionRecommended`
 
 * `nl`
     * `optionsBridgeBackupEnabled`
     * `optionsUserAgentWhitelistRestrictedEnabled`
     * `optionsUserAgentWhitelistRestrictedEnabledDescription`
+    * `optionsOptionRecommended`