diff --git a/README.md b/README.md
index 8e60453..e414d06 100644
--- a/README.md
+++ b/README.md
@@ -6,9 +6,9 @@ This GitHub repository offers a comprehensive guide to RGB and HSI data generate
 
 ## AAPF Data Guide
 
-* [RGB](DataGuide_AAPF_RGB.md)
-* [HSI](DataGuide_AAPF_HSI.md)
-* XRAY (under construction 🚧)
+* [RGB imaging data (above-ground)](DataGuide_AAPF_RGB.md)
+* [Hyperspectral imaging (HSI) data (above-ground)](DataGuide_AAPF_HSI.md)
+* X-RAY computed tomography (CT) imaging data (root system) (under construction 🚧)
 
 
 ## Available Tools