[WAF] Small update (leaked credentials)

Author: pedrosousa

src/content/docs/waf/detections/leaked-credentials/index.mdx

@@ -7,7 +7,7 @@ sidebar:
     label: Leaked credentials
 ---
 
-The leaked credentials [traffic detection](/waf/detections/) scans incoming requests for previously leaked credentials (usernames and passwords) previously leaked from [data breaches](https://www.cloudflare.com/learning/security/what-is-a-data-breach/).
+The leaked credentials [traffic detection](/waf/detections/) scans incoming requests for credentials (usernames and passwords) previously leaked from [data breaches](https://www.cloudflare.com/learning/security/what-is-a-data-breach/).
 
 :::note
 If you are currently using [Exposed Credentials Check](/waf/managed-rules/check-for-exposed-credentials/) (a previous implementation) and want to upgrade to leaked credentials detection, refer to our [upgrade guide](/waf/managed-rules/check-for-exposed-credentials/upgrade-to-leaked-credentials-detection/).