diff --git a/src/SecExp/js/secExp.js b/src/SecExp/js/secExp.js
index 8d9588cd3ff7fc2e790427d2325c1eda3c9d4f2c..335e66c60be4c5aa0b7f04734893ed23cd27f646 100644
--- a/src/SecExp/js/secExp.js
+++ b/src/SecExp/js/secExp.js
@@ -3838,7 +3838,7 @@ App.SecExp.unit = (function() {
 		const V = State.variables; let r = ``;
 		if (V.SecExp.settings.unitDescriptions === 0) {
 			if(unitType === "Bots" && V.arcologyUpgrade.drones !== 1){
-				r += `The drone security system arcoloy upgrade must be installed before drones can be deployed in battle.`
+				r += `The drone security system arcology upgrade must be installed before drones can be deployed in battle.`
 				return r;
 			}