Improve dashboard readability and stress chart direction

templates/pages/dashboard.php

@@ -68,7 +68,7 @@
                 <p class="eyebrow">Belastung</p>
                 <h3>Stressverlauf</h3>
             </div>
-            <span class="chart-chip chart-chip--warm">letzte 30 Einträge</span>
+            <span class="chart-chip chart-chip--warm">weniger ist besser</span>
         </div>
         <div class="line-chart" data-chart-type="line" data-series="stress" data-payload="<?= e($chartPayload) ?>"></div>
     </article>