Bug 1122142 - Reword the label for enabling chrome debugging; r=past

browser/devtools/framework/toolbox-options.xul

@@ -149,8 +149,8 @@
                     label="&options.disableJavaScript.label;"
                     tooltiptext="&options.disableJavaScript.tooltip;"/>
           <hbox class="hidden-labels-box">
-            <checkbox label="&options.enableChrome.label4;"
-                      tooltiptext="&options.enableChrome.tooltip2;"
+            <checkbox label="&options.enableChrome.label5;"
+                      tooltiptext="&options.enableChrome.tooltip3;"
                       data-pref="devtools.chrome.enabled"/>
           </hbox>
           <hbox class="hidden-labels-box">

browser/locales/en-US/chrome/browser/devtools/toolbox.dtd

@@ -72,8 +72,8 @@
 <!-- LOCALIZATION NOTE (options.enableChrome.label4): This is the label for the
   -  checkbox that toggles chrome debugging, i.e. devtools.chrome.enabled
   -  boolean preference in about:config, in the options panel. -->
-<!ENTITY options.enableChrome.label4    "Enable chrome and add-on debugging">
-<!ENTITY options.enableChrome.tooltip2  "Turning this option on will allow you to use various developer tools in browser context and debug add-ons from the Add-ons Manager">
+<!ENTITY options.enableChrome.label5    "Enable browser chrome and add-on debugging toolboxes">
+<!ENTITY options.enableChrome.tooltip3  "Turning this option on will allow you to use various developer tools in browser context (via Tools > Web Developer > Browser Toolbox) and debug add-ons from the Add-ons Manager">
 
 <!-- LOCALIZATION NOTE (options.enableRemote.label3): This is the label for the
   -  checkbox that toggles remote debugging, i.e. devtools.debugger.remote-enabled