diff --git a/R_session/Tree_detection.qmd b/R_session/Tree_detection.qmd
index 11ebf25..b20edef 100644
--- a/R_session/Tree_detection.qmd
+++ b/R_session/Tree_detection.qmd
@@ -1,6 +1,9 @@
 ---
 title: "Tree detection"
 format: html
+knitr:
+  opts_chunk: 
+    eval: false
 editor: visual
 ---