diff --git a/src/Corporation/corporate.js b/src/Corporation/corporate.js
index d2d6a93ba1ae688b4cc561d6ce9494c76a0ffaf8..0f0d0dbbc0c8029a32f73a271dc1ff1d4de6cdd0 100644
--- a/src/Corporation/corporate.js
+++ b/src/Corporation/corporate.js
@@ -141,7 +141,7 @@ App.Corporate.Init = function() {
 			this.corp.deleteStored(key + this.suffix);
 		}
 	};
-	const WeekProcessingEffeciencyLine = class {
+	const WeekProcessingEfficiencyLine = class {
 		constructor() {
 			this.value = 0;
 			this.efficiency = 0;
@@ -235,8 +235,8 @@ App.Corporate.Init = function() {
 
 			this._const.division = division;
 			this._const.ledger = weekLedger;
-			this._var.slaves   = new WeekProcessingEffeciencyLine();
-			this._var.revenue  = new WeekProcessingEffeciencyLine();
+			this._var.slaves   = new WeekProcessingEfficiencyLine();
+			this._var.revenue  = new WeekProcessingEfficiencyLine();
 			this._var.transfer = new WeekProcessingTransfer(this);
 			this._var.market   = new WeekProcessingMarket(this);
 		}