diff --git a/rules/windows/process_creation/proc_creation_win_inline_base64_mz_header.yml b/rules/windows/process_creation/proc_creation_win_inline_base64_mz_header.yml
index 007a8d084..ce3c4e440 100644
--- a/rules/windows/process_creation/proc_creation_win_inline_base64_mz_header.yml
+++ b/rules/windows/process_creation/proc_creation_win_inline_base64_mz_header.yml
@@ -19,7 +19,7 @@ detection:
             - 'TVpTAQEAAAAEAAAA'
     condition: selection
 falsepositives:
-    - Unlikley
+    - Unlikely
 level: high
 tags:
     - attack.execution