Corrected spelling

$headers.removeMmultiple() should be $headers.removeMultiple()

Author: ammartens

src/content/docs/synthetics/synthetic-monitoring/scripting-monitors/synthetic-scripted-browser-reference-monitor-versions-chrome-100.mdx

@@ -171,7 +171,7 @@ The `waitForAndFindElement(locator, timeout)` and `waitForPendingRequests(timeou
 
     <tr id="headers-removeMultiple">
       <td>
-        `$headers.removeMmultiple(headers: {key:value...})`
+        `$headers.removeMultiple(headers: {key:value...})`
       </td>
 
       <td>