Fix tiny typo in one of the Security Overview articles (github#28559)

fix typo

Author: mchammer01

content/code-security/security-overview/filtering-alerts-in-the-security-overview.md

@@ -23,7 +23,7 @@ shortTitle: Filtering alerts
 
 ## About filtering the security overview
 
-You can use filters in the security overview to narrow your focus based on a range of factors, like alert risk level, alert type and feature enablement. Different filters are available depending on the specific view and whether you analysing at the organization, team or repository level.
+You can use filters in the security overview to narrow your focus based on a range of factors, like alert risk level, alert type and feature enablement. Different filters are available depending on the specific view and whether your analysis is at the organization, team or repository level.
 
 ## Filter by repository