diff --git a/.htaccess b/.htaccess
index 7d2003724cde1e1ffa8e5d50b7e31082c150ac25..3629403a87f6052b31d9bb1d94a68b60c4dddf94 100644
--- a/.htaccess
+++ b/.htaccess
@@ -18,6 +18,7 @@ ErrorDocument 404 /index.php
 
 # Force simple error message for requests for non-existent favicon.ico.
 <Files favicon.ico>
+  # There is no end quote below, for compatibility with Apache 1.3.
   ErrorDocument 404 "The requested file favicon.ico was not found.
 </Files>