diff --git a/CircuitCoupling/R_circuit.geo b/CircuitCoupling/R_circuit.geo
index dad9c9a86d34162a7e00eb758a892b0d4e78c395..1d8e7e30e988e5bedc346d6e167130ff92a08a6c 100644
--- a/CircuitCoupling/R_circuit.geo
+++ b/CircuitCoupling/R_circuit.geo
@@ -2,7 +2,7 @@
 
 Include "R_circuit_common.pro";
 
-lc = 0.25;      // Cjaracteristic length
+lc = 0.25;      // Characteristic length
 
 Point(1) = {0, 0, 0, lc};
 Extrude {1, 0, 0} {