diff --git a/common/locale/en-US/messages.properties b/common/locale/en-US/messages.properties
index 8097ebce..163afaf0 100644
--- a/common/locale/en-US/messages.properties
+++ b/common/locale/en-US/messages.properties
@@ -124,12 +124,17 @@ download.unknownCommand = Unknown command
 download.commandNotAllowed = Command not allowed
 download.prompt.launchExecutable = This will launch an executable download. Would you like to continue? (yes/[no]/always):
 
+download.nActive-1 = %S active
+download.almostDone = ~1 second
+download.unknown = Unknown
+
+download.action.Cancel = Cancel
+download.action.Clear = Clear
+download.action.Delete = Delete
 download.action.Pause = Pause
 download.action.Remove = Remove
 download.action.Resume = Resume
 download.action.Retry = Retry
-download.action.Cancel = Cancel
-download.action.Delete = Delete
 
 editor.prompt.editPassword = Editing a password field externally will reveal the password. Would you like to continue? (yes/[no]):
 
@@ -268,6 +273,14 @@ style.inline = inline
 
 time.total-1 = Total time: %S
 
+title.Progress = Progress
+title.Source = Source
+title.Speed = Speed
+title.Status = Status
+title.Time remaining = Time remaining
+title.Title = Title
+title.Totals = Totals
+
 variable.none = No variables found
 
 window.cantAttachSame = Can't reattach to the same window
diff --git a/common/modules/downloads.jsm b/common/modules/downloads.jsm
index 857a8c53..d3985628 100644
--- a/common/modules/downloads.jsm
+++ b/common/modules/downloads.jsm
@@ -151,18 +151,18 @@ var Download = Class("Download", {
             this.nodes.speed.textContent = util.formatBytes(this.speed, 1, true) + "/s";
 
             if (this.speed == 0 || this.size == 0)
-                this.nodes.time.textContent = "Unknown";
+                this.nodes.time.textContent = _("download.unknown");
             else {
                 let seconds = (this.size - this.amountTransferred) / this.speed;
                 [, self.timeRemaining] = DownloadUtils.getTimeLeft(seconds, this.timeRemaining);
                 if (this.timeRemaining)
                     this.nodes.time.textContent = util.formatSeconds(this.timeRemaining);
                 else
-                    this.nodes.time.textContent = /*L*/"~1 second";
+                    this.nodes.time.textContent = _("download.almostDone");
             }
         }
 
-        let total = this.nodes.progressTotal.textContent = this.size ? util.formatBytes(this.size, 1, true) : "Unknown";
+        let total = this.nodes.progressTotal.textContent = this.size ? util.formatBytes(this.size, 1, true) : _("download.unknown");
         let suffix = RegExp(/( [a-z]+)?$/i.exec(total)[0] + "$");
         this.nodes.progressHave.textContent = util.formatBytes(this.amountTransferred, 1, true).replace(suffix, "");
 
@@ -207,21 +207,21 @@ var DownloadList = Class("DownloadList",
 
         util.xmlToDom(<table highlight="Downloads" key="list" xmlns={XHTML}>
                         <tr highlight="DownloadHead">
-                            <span><!--L-->Title</span>
-                            <span><!--L-->Status</span>
+                            <span>{_("Title")}</span>
+                            <span>{_("Status")}</span>
                             <span/>
-                            <span><!--L-->Progress</span>
+                            <span>{_("Progress")}</span>
                             <span/>
-                            <span><!--L-->Speed</span>
-                            <span><!--L-->Time remaining</span>
-                            <span><!--L-->Source</span>
+                            <span>{_("Speed")}</span>
+                            <span>{_("Time remaining")}</span>
+                            <span>{_("Source")}</span>
                         </tr>
                         <tr highlight="Download"><span><div style="min-height: 1ex; /* FIXME */"/></span></tr>
                         <tr highlight="Download" key="totals" active="true">
-                            <td><span highlight="Title"><!--L-->Totals:</span>&#xa0;<span key="total"/></td>
+                            <td><span highlight="Title">{_("title.Totals")}:</span>&#xa0;<span key="total"/></td>
                             <td/>
                             <td highlight="DownloadButtons">
-                                <a highlight="Button" key="clear"><!--L-->Clear</a>
+                                <a highlight="Button" key="clear">{_("Clear")}</a>
                             </td>
                             <td highlight="DownloadProgress" key="progress">
                                 <span highlight="DownloadProgressHave" key="progressHave"
@@ -315,7 +315,7 @@ var DownloadList = Class("DownloadList",
 
         let active = downloads.filter(function (dl) dl.alive).length;
         if (active)
-            this.nodes.total.textContent = /*L*/active + " active";
+            this.nodes.total.textContent = _("download.nActive", active);
         else for (let key in values(["total", "percent", "speed", "time"]))
             this.nodes[key].textContent = "";