Update docs/apm/real-user-monitoring/metrics.md

Author: kimsauce

docs/apm/real-user-monitoring/metrics.md

@@ -127,7 +127,7 @@ These CWV KPIs are captured and displayed on Overview dashboards for Document Lo
 Currently, XHR metrics extraction in RUM is only supported for applications that use the `fetch` API to perform XHR calls. If your application uses `XMLHttpRequest`, metrics may not be collected at this time. A fix to support `XMLHttpRequest`-based calls is in progress and expected to roll out in mid 2025. We will update this page when that support becomes available.
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-An **XMLHttpRequest (XHR)** is a way for browsers to communicate with a backend server without reloading the page. For example, a page may use XHR to update a price ticker automatically or after clicking an “Update Price” button.
+An XMLHttpRequest (XHR) is a way for browsers to communicate with a backend server without reloading the page. For example, a page may use XHR to update a price ticker automatically or after clicking an "Update Price" button.
 
 XHR is commonly used in *single-page applications* (SPAs), which load once and then handle all interactions without refreshing the page. These apps often generate multiple XHR requests—typically HTTP `POST` or `GET` calls—based on user actions.