diff --git a/man/RunModel_Lag.Rd b/man/RunModel_Lag.Rd
index 7a1307c673fbe5bf8620e0dcfece20b7791e0a5b..1473ce9776390ee0f217d62d58a76a970ef069d4 100644
--- a/man/RunModel_Lag.Rd
+++ b/man/RunModel_Lag.Rd
@@ -64,7 +64,7 @@ Lag <- LengthHydro / 2 / 86400 * 1000 # Conversion km/day -> m/s
 ## preparation of the InputsModel object
 InputsModel <- CreateInputsModel(FUN_MOD = RunModel_GR4J, DatesR = BasinObs$DatesR,
                                  Precip = BasinObs$P, PotEvap = BasinObs$E,
-                                 Qupstream = Qupstream, LengthHydro = LenghtHydro,
+                                 Qupstream = Qupstream, LengthHydro = LengthHydro,
                                  BasinAreas = BasinAreas)
 
 ## run period selection