Fix i18n translation issues

lms/djangoapps/dashboard/sysadmin.py

@@ -493,8 +493,11 @@ class Courses(SysadminDashboardView):
             data.append([course.display_name, course.id.to_deprecated_string()]
                         + self.git_info_for_course(gdir))
 
-        return dict(header=[_('Course Name'), _('Directory/ID'),
-                            _('Git Commit'), _('Last Change'),
+        return dict(header=[_('Course Name'),
+                            _('Directory/ID'),
+                            # Translators: "Git Commit" is a computer command; see http://gitref.org/basic/#commit
+                            _('Git Commit'),
+                            _('Last Change'),
                             _('Last Editor')],
                     title=_('Information about all courses'),
                     data=data)

lms/templates/courseware/instructor_dashboard.html

@@ -752,7 +752,7 @@ function goto( mode)
   %endif
 
    <p>
-     ${_("Student distribution per country, all courses, Sep-12 to Oct-17, 1 server (shown here as an example):")}
+     ${_("Student distribution per country, all courses, Sep 12 to Oct 17, 1 server (shown here as an example):")}
    </p>
 
 <div id="posts-list" class="clearfix">

lms/templates/dashboard.html

@@ -110,9 +110,9 @@
                function(data) {
                  if (data.success) {
                    $("#change_email_title").html("${_('Please verify your new email')}");
-                   $("#change_email_form").html("<p>${_(('You\'ll receive a confirmation in your in-box.'
+                   $("#change_email_form").html("<p>${_('You\'ll receive a confirmation in your inbox.'
                                                     ' Please click the link in the email to confirm'
-                                                    ' the email change.'))}</p>");
+                                                    ' the email change.')}</p>");
                  } else {
                    $("#change_email_error").html(data.error).stop().css("display", "block");
                  }