diff --git a/app.py b/app.py
index e0c52dc..0cfe64c 100755
--- a/app.py
+++ b/app.py
@@ -16,7 +16,7 @@ from flask.ext.mako import MakoTemplates, render_template, TemplateError
 from copyvios.api import format_api_error, handle_api_request
 from copyvios.checker import do_check
 from copyvios.cookies import parse_cookies
-from copyvios.misc import cache
+from copyvios.misc import cache, get_notice
 from copyvios.settings import process_settings
 from copyvios.sites import update_sites
 
@@ -80,9 +80,11 @@ def close_databases(error):
 @app.route("/")
 @catch_errors
 def index():
+    notice = get_notice()
     update_sites()
     query = do_check()
-    return render_template("index.mako", query=query, result=query.result)
+    return render_template(
+        "index.mako", notice=notice, query=query, result=query.result)
 
 @app.route("/settings", methods=["GET", "POST"])
 @catch_errors
diff --git a/copyvios/misc.py b/copyvios/misc.py
index b40f6f4..045386a 100644
--- a/copyvios/misc.py
+++ b/copyvios/misc.py
@@ -8,7 +8,7 @@ from sqlalchemy.pool import manage
 
 oursql = manage(oursql)
 
-__all__ = ["Query", "cache", "get_db", "httpsfix", "urlstrip"]
+__all__ = ["Query", "cache", "get_db", "get_notice", "httpsfix", "urlstrip"]
 
 class Query(object):
     def __init__(self, method="GET"):
@@ -49,6 +49,16 @@ def get_db():
         g._db = oursql.connect(**args)
     return g._db
 
+def get_notice():
+    try:
+        with open(expanduser("~/copyvios_notice.html")) as fp:
+            lines = fp.read().decode("utf8").strip().splitlines()
+            if lines[0] == "<!-- active -->":
+                return "\n".join(lines[1:])
+            return None
+    except IOError:
+        return None
+
 def httpsfix(context, url):
     if url.startswith("http://"):
         url = url[len("http:"):]
diff --git a/static/style.css b/static/style.css
index 8c8d42e..3acdc99 100644
--- a/static/style.css
+++ b/static/style.css
@@ -44,9 +44,23 @@ div#footer {
     background: #DDDDDD;
 }
 
+div#notice-box {
+    padding: 10px;
+    margin: 10px 5px;
+}
+
+div#notice-box p {
+    margin: 0.25em 0;
+}
+
+div#notice-box ul {
+    padding-left: 1.5em;
+    margin: 0;
+}
+
 div#info-box {
-    padding: 0 10px 0 10px;
-    margin: 10px 5px 10px 5px;
+    padding: 0 10px;
+    margin: 10px 5px;
 }
 
 div#cv-result {
@@ -235,6 +249,11 @@ div.red-box {
     border: 1px solid #F77;
 }
 
+div.gray-box {
+    background-color: #EEE;
+    border: 1px solid #AAA;
+}
+
 div.indentable {
     white-space: pre-wrap;
 }
diff --git a/templates/index.mako b/templates/index.mako
index 8187ccb..a61e173 100644
--- a/templates/index.mako
+++ b/templates/index.mako
@@ -6,6 +6,11 @@
 <%include file="/support/header.mako" args="title='Earwig\'s Copyvio Detector'"/>
 <%namespace module="copyvios.highlighter" import="highlight_delta"/>\
 <%namespace module="copyvios.misc" import="httpsfix, urlstrip"/>\
+% if notice:
+    <div id="notice-box" class="gray-box">
+        ${notice}
+    </div>
+% endif
 % if query.submitted:
     % if query.error:
         <div id="info-box" class="red-box"><p>