diff --git a/i2p2www/pages/site/docs/spec/common-structures.html b/i2p2www/pages/site/docs/spec/common-structures.html
index 7d5c48fd..bd4bfd1a 100644
--- a/i2p2www/pages/site/docs/spec/common-structures.html
+++ b/i2p2www/pages/site/docs/spec/common-structures.html
@@ -838,7 +838,7 @@ Cost is typically 5 or 6 for SSU, and 10 or 11 for NTCP.
 {%- endtrans %}</li>
 
 <li>{% trans -%}
-Expiration is currently unused, always null (all zeroes)).
+Expiration is currently unused, always null (all zeroes).
 As of release 0.9.3, the expiration is assumed zero and not stored, so any non-zero expiration
 will fail in the RouterInfo signature verification.
 Implementing expiration (or another use for these bytes) will be a backwards-incompatible change.