diff --git a/index.html b/index.html
index 57aa786..efb5c34 100644
--- a/index.html
+++ b/index.html
@@ -97,7 +97,7 @@ <h3>Secure Boot Enablement <img src="img/devcon-logo.svg" alt="DevCon Logo" clas
           <ul>
           <li>Creation and management of firmware signing keys or PKI</li>
           <li>Fuse programming to configure security parameters and the root-of-trust (RoT)</li>
-          <li>Properly signing of firmware images, requiring signing infrastructures</li>
+          <li>Proper signing of firmware images, requiring signing infrastructures</li>
           </ul>
 
           Secure and easy-to-use signing key management is a challenge