diff --git a/Trust-and-Certification-Model.md b/Trust-and-Certification-Model.md
index 37447fb..5460246 100644
--- a/Trust-and-Certification-Model.md
+++ b/Trust-and-Certification-Model.md
@@ -1,6 +1,6 @@
 ### Decrypt/Verify Cases
 
-| v/d | Case | What | Color | Explanation |
+| v/d | Case | What/Where | Color | Explanation |
 |---  |----- |----    |------ |------       |
 | verify | No signature | in Toolbar | red | Not a real error, TODO: maybe overlay? |
 |  | master key expired | in Toolbar | red | In most cases: Passphrase or secret key lost, key expired after some time, no real attack in 99% of the cases|