diff --git a/README.md b/README.md
index df9e4ac..fca0926 100644
--- a/README.md
+++ b/README.md
@@ -236,8 +236,8 @@ https://instachart.coveritup.app/radar?title=Radar+Chart
 <br>
 
 <p align="center">
-  <a href='https://instachart.coveritup.app/radar?title=Radar+Chart&data={%20%22names%22:%20[%22Mon%22,%22Tue%22,%20%22Wed%22,%20%22Fri%22],%20%22labels%22:%20[%22Work%22,%20%22Relax%22,%20%22Travel%22],%20%22values%22:%20[[1,2,3,4],%20[15,7,8,9],%20[15,17,5,7]]%20}'>
-    <img alt="radar chart" src='https://instachart.coveritup.app/radar?title=Radar+Chart&&height=520&data={%20%22names%22:%20[%22Mon%22,%22Tue%22,%20%22Wed%22,%20%22Fri%22],%20%22labels%22:%20[%22Work%22,%20%22Relax%22,%20%22Travel%22],%20%22values%22:%20[[1,2,3,4],%20[15,7,8,9],%20[15,17,5,7]]%20}'>
+  <a href='https://instachart.coveritup.app/radar?title=Radar+Chart&theme=dark&data={%20%22names%22:%20[%22Mon%22,%22Tue%22,%20%22Wed%22,%20%22Fri%22],%20%22labels%22:%20[%22Work%22,%20%22Relax%22,%20%22Travel%22],%20%22values%22:%20[[1,2,3,4],%20[15,7,8,9],%20[15,17,5,7]]%20}'>
+    <img alt="radar chart" src='https://instachart.coveritup.app/radar?title=Radar+Chart&theme=dark&height=520&data={%20%22names%22:%20[%22Mon%22,%22Tue%22,%20%22Wed%22,%20%22Fri%22],%20%22labels%22:%20[%22Work%22,%20%22Relax%22,%20%22Travel%22],%20%22values%22:%20[[1,2,3,4],%20[15,7,8,9],%20[15,17,5,7]]%20}'>
   </a>
 </p>