diff --git a/manuals/ta4_lua_controller_EN.md b/manuals/ta4_lua_controller_EN.md
index e79460d..2c937b3 100644
--- a/manuals/ta4_lua_controller_EN.md
+++ b/manuals/ta4_lua_controller_EN.md
@@ -363,6 +363,7 @@ Please note, that this is not a technical distinction, only a logical.
| "state" | one of: "running", "stopped", "blocked", "standby", "fault", or "unloaded" | Techage machine state, used by many machines |
| "state" | one of: "red", "amber", "green", "off" | Signal Tower state |
| "state" | one of: "empty", "loaded", "full" | State of a chest or Sensor Chest |
+| "state" | one of: "on", "off" | State of a TA4 Button |
| "fuel" | number | fuel value of a fuel consuming block |
| "depth" | number | Read the current depth value of a quarry block (1..80) |
| "load" | number | Read the load value in percent (0..100) of a tank, silo, accu, or battery block, or from the Signs Bot Box. Silo and tank return two values: The percentage value and the absolute value in units.
Example: percent, absolute = $send_cmnd("223", "load") |
@@ -418,7 +419,7 @@ Please note, that this is not a technical distinction, only a logical.
| "stop" | nil | Stop command for the TA4 Sequencer. |
| "gain" | volume | Set volume of the sound block (`volume` is a value between 0 and 1.0) |
| "sound" | index | Select sound sample of the sound block |
-| "color" | \ | Set the color of the TechAge Signal Lamp and TechAge Signal Lamp 2 (color = 0..255) |
+| "color" | \ | Set the color of the TechAge Color Lamp and TechAge Color Lamp 2 (color = 0..255) |
### Server and Terminal Functions