diff --git a/windows/security/threat-protection/auditing/event-4624.md b/windows/security/threat-protection/auditing/event-4624.md
index cb86697ff3..21451eb110 100644
--- a/windows/security/threat-protection/auditing/event-4624.md
+++ b/windows/security/threat-protection/auditing/event-4624.md
@@ -219,7 +219,7 @@ This event generates when a logon session is created (on destination machine). I
 
     This parameter might not be captured in the event, and in that case appears as "{00000000-0000-0000-0000-000000000000}".
 
-> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities or instances.
+> **Note**  **GUID** is an acronym for 'Globally Unique Identifier'. It is a 128-bit integer number used to identify resources, activities, or instances.
 
 **Process Information:**