diff --git a/cs1811.css b/cs1811.css
index fcade79338f5c33ab982eba1b1765e45e552c46c..ae4ae111e21e411d27ffb28a49207d0d86a7f5a2 100644
--- a/cs1811.css
+++ b/cs1811.css
@@ -146,7 +146,7 @@ p.attribution {
 p.copyright {
     padding-top: 20%;
     padding-left: 50%;
-    text-alight: right;
+    text-align: right;
     font-size: 33%;
     width: 39em;
 }