diff --git a/strichliste.lua b/strichliste.lua
index 818cdab..be31ed0 100755
--- a/strichliste.lua
+++ b/strichliste.lua
@@ -115,9 +115,9 @@ local function form_data()
 end
 
 local function format_duration(t)
-    if t > 86400 then return string.format("%d days", t / 86400) end
-    if t > 3600 then return string.format("%d hours", t / 3600) end
-    if t > 60 then return string.format("%d minutes", t / 60) end
+    if t > 86400 then return string.format("%d day%s", t / 86400, math.floor(t / 86400) ~= 1 and "s" or "") end
+    if t > 3600 then return string.format("%d hour%s", t / 3600, math.floor(t / 3600) ~= 1 and "s" or "") end
+    if t > 60 then return string.format("%d minute%s", t / 60, math.floor(t / 60) ~= 1 and "s" or "") end
     return string.format("%d seconds", t)
 end
 
@@ -253,7 +253,7 @@ local function r_user(username)
                 <input type="submit" value="Buy" />
             </form>
         ]])
-        print("<div class=\"amount-presets\">")
+        print([[<div class="amount-presets">]])
         for _, type in ipairs({ 1, -1 }) do
             for _, amount in ipairs({ 50, 100, 150, 200, 500, 1000 }) do
                 print(string.format([[
@@ -281,7 +281,7 @@ local function r_log(filter)
                     <tr>
                         <td>%d (%s ago)</td>
                         <td>%s</td>
-                        <td class=\"amount-%s\">%.02f€</td>
+                        <td class="amount-%s">%.02f€</td>
                         <td>%s</td>
                         <td>
                             <form action="/%s" method="POST">
@@ -318,8 +318,13 @@ local function r_index()
         ]])
         print("<ul>")
         for username, balance in pairs(balances()) do
-            print(string.format("<li><a href=\"/%s\">%s</a>: %.02f€</li>", escape(username), escape(username),
-                balance / 100))
+            print(string.format([[
+                <li><a href="/%s">%s</a>: <span class="amount-%s">%.02f€</span></li>
+            ]],
+                urlencode(username),
+                escape(username),
+                balance >= 0 and "pos" or "neg", balance / 100
+            ))
         end
         print("</ul>")
     end)