better default config.h

config.def.h

@@ -33,8 +33,8 @@
 - wifi_perc (wifi signal in percent) [argument: wifi card interface name]
 - wifi_essid (wifi essid) [argument: wifi card interface name] */
 static const struct arg args[] = {
-	/* function	format			argument */
-	{ cpu_perc, "[ CPU %4s ]",  NULL },
-	{ ram_perc, "[ Mem %3s ]",  NULL },
-	{ datetime, "[ %s ]",       "%F %T" },
+	/* function	format        argument */
+	{ cpu_perc, "[CPU %4s] ", NULL },
+	{ ram_perc, "[RAM %3s] ", NULL },
+	{ datetime, "[ %s ]",     "%F %T" },
 };