diff --git a/docs/index.md b/docs/index.md
index 983d795..8a2217c 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -124,6 +124,7 @@ Each output supports the following features:
 - `Statistics`: Harmonic information, power factor, energy, routed power, etc
 - `Independent or Sequential Outputs with Grid Excess Sharing`: Outputs are sequential by default (second output activated after first one at 100%).
   **Independent outputs are also supported** thanks to the sharing feature to split the excess between outputs.
+- `Resistance calibration` (🚧): if a JSY or PZEM is installed, automatically discover and save the resistance value of the connected load.
 
 ### Grid Power Measurement
 
@@ -193,7 +194,7 @@ The router can be completely controlled remotely through a Home Automation Syste
 ### PID Control and Tuning
 
 The router uses a PID controller to control the dimmers and you have full control over the PID parameters to tune it.
-Demo: 
+Demo:
 
 [![PID Tuning in YaSolR (Yet Another Solar Router)](http://img.youtube.com/vi/ygSpUxKYlUE/0.jpg)](http://www.youtube.com/watch?v=ygSpUxKYlUE "PID Tuning in YaSolR (Yet Another Solar Router)")