diff --git a/cure53-Security-Audit-2015.md b/cure53-Security-Audit-2015.md
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@@ -1,6 +1,6 @@
 The Security Audit can be downloaded at https://cure53.de/pentest-report_openkeychain.pdf
 
-All identified vulnerabilities has been discussed with cure53 and fixed in OpenKeychain 3.6. OKC-01-006 has been fixed in 4.2. We will work on two "Miscellaneous Issues" (not vulnerabilities) for a future version of OpenKeychain.
+All identified vulnerabilities have been discussed with cure53 and fixed in OpenKeychain 3.6. OKC-01-006 has been fixed in 4.2. We will work on two "Miscellaneous Issues" (not vulnerabilities) for a future version of OpenKeychain.
 
 ## Identified Vulnerabilities
 ### OKC-01-001 Private Keys can be imported from Keyserver (Medium)