diff --git a/code/b-parasite/README.md b/code/b-parasite/README.md
index 185a8bb..edf8847 100644
--- a/code/b-parasite/README.md
+++ b/code/b-parasite/README.md
@@ -39,12 +39,13 @@ Sensor data is encoded in unsigned 16 bits (2 bytes), and whenever multiple
 | 6-7        | Relative air humidity, scaled from 0 (0%) to 0xffff (100%)     |
 | 8-9        | Soil moisture, scaled from from 0 (0%) to 0xffff (100%)        |
 | 10-15      | b-parasite's own MAC address, big-endian format                |
+| 16-17      | Ambient light, scaled from from 0 (dark) to 0xffff (bright)    |
 
 # Supported Modules
 
 This code supports two E73 modules:
  * E73-2G4M08S1C (nrf2480, default)
- * E73-2G4M08S1E (nrf2833) 
+ * E73-2G4M08S1E (nrf2833)
 
 To choose for which one you want to compile, just pass PLATFORM as an env variable to make, and set it to the platform you want to use. For example, to compile for E73-2G4M08S1E: