diff --git a/scripts/telegram/telegram_cron.php b/scripts/telegram/telegram_cron.php
index 66e9c16..e594519 100644
--- a/scripts/telegram/telegram_cron.php
+++ b/scripts/telegram/telegram_cron.php
@@ -695,7 +695,7 @@ function buildTcrbVChartSvg(array $observations, array $latestObservation): stri
   <rect width="%d" height="%d" fill="url(#bg)"/>
   <rect x="%d" y="%d" width="%d" height="%d" rx="16" fill="#11263b" stroke="#2f4d68" stroke-width="1.5"/>
   <text x="%d" y="44" fill="#f8fafc" font-size="30" font-weight="700">T CrB Lichtkurve - Filter V</text>
-  <text x="%d" y="70" fill="#cbd5e1" font-size="19">letzte 2 Monate</text>
+  <text x="%d" y="70" fill="#cbd5e1" font-size="19">letzte 2 Monate - Astronomiemuseum der Sternwarte Sonneberg</text>
   <text x="%d" y="%d" fill="#cbd5e1" font-size="18">%s</text>
   <text x="%d" y="%d" fill="#cbd5e1" font-size="18" text-anchor="end">%s</text>
   <text x="%d" y="48" fill="%s" font-size="22" text-anchor="end">Aktuell: %s%s</text>