[evolution] ECalConfigWeather: Fix a confusing translator comment.

[Matthew Barnes <mbarnes src gnome org>]

commit eceb3b365835f25973be7a72fab8b0ed92e55e07
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sat Mar 15 08:41:30 2014 -0400

    ECalConfigWeather: Fix a confusing translator comment.

 .../evolution-cal-config-weather.c                 |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)
---
diff --git a/modules/cal-config-weather/evolution-cal-config-weather.c 
b/modules/cal-config-weather/evolution-cal-config-weather.c
index f77dd34..a2654cd 100644
--- a/modules/cal-config-weather/evolution-cal-config-weather.c
+++ b/modules/cal-config-weather/evolution-cal-config-weather.c
@@ -178,13 +178,12 @@ is_locale_metric (void)
        else
                return TRUE;
 #else
-       /* Translators: Translate to the default units to use for presenting
-        * temperature units to the user. The value can be only "default:inch"
-        * or "default:mm", any other value is treated as "default:mm" (quotes
-        * for clarity only). Note the value is used only if the system this
-        * is running on doesn't provide other ways for figuring out temperature
-        * units for the current locale.
-        */
+       /* Translators: Please indicate whether your locale uses the
+        * metric or imperial measurement system by changing this to
+        * either "default:mm" or "default:inch", respectively.
+        *
+        * This string is just a fallback mechanism for systems on
+        * which _NL_MEASUREMENT_MEASUREMENT is not available. */
        fmt = C_("locale-metric", "default:mm");
 
        return g_strcmp0 (fmt, "default:inch") != 0;