diff --git a/README.md b/README.md
index a8a6d79..a3d6914 100644
--- a/README.md
+++ b/README.md
@@ -24,11 +24,11 @@ Asset Health Index: A score ranging from 0 (optimal condition) to 5 (worst case)
                 Further from the peak efficiency → higher penalty → worse health.
 
         3. These are combined into one score:
-            score01 = 0.4 * unavailability
+            score01 = 0.2 * unavailability
                     + 0.4 * driftScore
-                    + 0.2 * effPenalty;
+                    + 0.4 * effPenalty;
 
-            So: availability (40%) + drift (40%) + efficiency loss (20%).
+            So: availability (20%) + drift (40%) + efficiency loss (40%).
 
         4. Convert to index 0–5:
             index = round(score01 * 5)