Layers -> Background (#525)

js/id/ui/layerswitcher.js

@@ -35,7 +35,7 @@ iD.ui.layerswitcher = function(context) {
             .append('button')
             .attr('tabindex', -1)
             .attr('class', 'fillD')
-            .attr('title', t('layer_settings'))
+            .attr('title', t('layerswitcher.description'))
             .html("<span class='layers icon'></span>")
             .on('click.layerswitcher-toggle', toggle);
 
@@ -59,7 +59,7 @@ iD.ui.layerswitcher = function(context) {
             .append('div')
             .attr('class', 'opacity-options-wrapper');
 
-        opa.append('h4').text(t('layerswitcher.layers'));
+        opa.append('h4').text(t('layerswitcher.title'));
 
         var opacityList = opa.append('ul')
             .attr('class', 'opacity-options');

locale/en.js

@@ -146,8 +146,6 @@ locale.en = {
 
     "browser_notice": "This editor is supported in Firefox, Chrome, Safari, Opera, and Internet Explorer 9 and above. Please upgrade your browser or use Potlatch 2 to edit the map.",
 
-    "layer_settings": "Layer Settings",
-
     inspector: {
         no_documentation_combination:  "This is no documentation available for this tag combination",
         no_documentation_key: "This is no documentation available for this key",
@@ -168,8 +166,10 @@ locale.en = {
     "description": "Description",
 
     "logout": "logout",
+
     layerswitcher: {
-        layers: "Layers",
+        title: "Background",
+        description: "Background Settings",
         percent_brightness: "{opacity}% brightness"
     }
 };