diff --git a/DESCRIPTION b/DESCRIPTION
index 5d4ba6823954837423ba54773e827555217a8fb1..4eb1a9b2edd3f85d3b361f508840bcab7d835e50 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.2.12.19
+Version: 1.2.12.20
 Date: 2019-04-01
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
diff --git a/NEWS.rmd b/NEWS.rmd
index 81d6e2276ef00f6d2e5965e4e8a8d374b12a64f8..b818e66179498b3da5a1c34c85c3413a0f2c5823 100644
--- a/NEWS.rmd
+++ b/NEWS.rmd
@@ -13,7 +13,7 @@ output:
 
 
 
-### 1.2.12.19 Release Notes (2019-04-01) 
+### 1.2.12.20 Release Notes (2019-04-01) 
 
 
 
diff --git a/vignettes/V04_cemaneige_hysteresis.Rmd b/vignettes/V04_cemaneige_hysteresis.Rmd
index 13fc7022e30757c3020cc9ec0c125a681942ce3b..cf7c2315418cd2730aa784fb7743d3b3968d25be 100644
--- a/vignettes/V04_cemaneige_hysteresis.Rmd
+++ b/vignettes/V04_cemaneige_hysteresis.Rmd
@@ -98,7 +98,7 @@ In order to calibrate and assess the model performance, we will follow the recom
 
 
 ```{r, warning=FALSE}
-## efficiency criteria: 75 % KGE'(Q) + 5 % KGE'(SCA) on each of the 5 layers
+## efficiency criterion: 75 % KGE'(Q) + 5 % KGE'(SCA) on each of the 5 layers
 InputsCrit_Cal  <- CreateInputsCrit(FUN_CRIT = rep("ErrorCrit_KGE2", 6),
                                     InputsModel = InputsModel, RunOptions = RunOptions_Cal,
                                     obs = list(BasinObs$Qmm[Ind_Cal],