diff --git a/vignettes/V03_param_sets_GR4J.Rmd b/vignettes/V03_param_sets_GR4J.Rmd
index f82fbd1b157f7bcbc701201f0066821582a7f951..73051ccdbad3690db0eb62cc8682e9078d907857 100644
--- a/vignettes/V03_param_sets_GR4J.Rmd
+++ b/vignettes/V03_param_sets_GR4J.Rmd
@@ -69,7 +69,7 @@ The calibration period has been defined from **1990-01-01** to **1990-02-28**, a
 
 As a consequence, in this example the calibration period is very short, less than 6 months.
 
-```{r, warning=FALSE, eval=TRUE}
+```{r, warning=FALSE, include=TRUE}
 ## preparation of the InputsModel object
 InputsModel <- CreateInputsModel(FUN_MOD = RunModel_GR4J, DatesR = BasinObs$DatesR, 
                                  Precip = BasinObs$P, PotEvap = BasinObs$E)
@@ -157,7 +157,7 @@ By default, the predefined grid used by the `Calibration_Michel()` function cont
 CalibOptions <- CreateCalibOptions(FUN_MOD = RunModel_GR4J, FUN_CALIB = Calibration_Michel)
 ```
 
-```{r, warning=FALSE, message=FALSE, eval=FALSE}
+```{r, warning=FALSE, message=FALSE, include=FALSE}
 ## calibration
 OutputsCalib <- Calibration(InputsModel = InputsModel, RunOptions = RunOptions_Cal,
                             InputsCrit = InputsCrit_Cal, CalibOptions = CalibOptions,
@@ -194,7 +194,7 @@ CalibOptions <- CreateCalibOptions(FUN_MOD = RunModel_GR4J, FUN_CALIB = Calibrat
                                    StartParamList = Param_Sets_GR4J)
 ```
 
-```{r, warning=FALSE, message=FALSE, eval=FALSE}
+```{r, warning=FALSE, message=FALSE, include=FALSE}
 ## calibration
 OutputsCalib <- Calibration(InputsModel = InputsModel, RunOptions = RunOptions_Cal,
                             InputsCrit = InputsCrit_Cal, CalibOptions = CalibOptions,