diff --git a/static/usage.html b/static/usage.html
index 260796c1..b062e4d2 100644
--- a/static/usage.html
+++ b/static/usage.html
@@ -928,7 +928,7 @@
                 enforce using Google certified operating systems. However, app developers can use
                 it directly and permit other properly signed operating systems upholding the
                 security model. GrapheneOS has a
-                <a href="https://grapheneos.org/articles/attestation-compatibility-guide">a
+                <a href="https://grapheneos.org/articles/attestation-compatibility-guide">
                 detailed guide</a> for app developers on how to support GrapheneOS with the
                 hardware attestation API. Direct use of the hardware attestation API provides much
                 higher assurance than using SafetyNet so these apps have nothing to lose by using a