diff --git a/resources/VI.md b/resources/VI.md
index ead8376..fd193d5 100644
--- a/resources/VI.md
+++ b/resources/VI.md
@@ -1,20 +1,20 @@
 - NDVI (normalized difference vegetation index)
-  NDVI = (R800-R670) / (R800+R670)
-  (R800 means reflectance at 800 nm)
+  - NDVI = (R800-R670) / (R800+R670)
+  - R800 means reflectance at 800 nm
 - SRI (simple ratio index)
-  R800 / R670
+  - R800 / R670
 - EVI (enhanced vegetation index)
-  2.5 * (R800-R670) / (R800+6*R670-7.5*R490+1)
+  - 2.5 * (R800-R670) / (R800+6*R670-7.5*R490+1)
 - ARVI (atmospherically resistant vegetation index)
-  (R800-2*R670) / (R800+6*R670-7.5*R490+1)
+  - (R800-2*R670) / (R800+6*R670-7.5*R490+1)
 - SG (sum green index)
-  average reflectance between 500-599 nm
+  - Average reflectance between 500-599 nm
 - reNDVI (red edge normalized difference vegetation index)
-  (R750-R705) / (R750+R705)
+  - (R750-R705) / (R750+R705)
 - mRESR (modified red edge simple ratio index)
-  (R750-R445) / (R750+R445)
+  - (R750-R445) / (R750+R445)
 - mRENDVI (modifoed red edge NDVI)
-  (R750-R705) / (R750+R705-2*R445);
+  - (R750-R705) / (R750+R705-2*R445);
 * VOG1
   Vogelmann red edge index 1
   R740 / R720