v1.6.3.21 docs(man): correct explanation of the regime computation in plot.OutputsModel

DESCRIPTION

 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.6.3.20
+Version: 1.6.3.21
 Date: 2020-10-16
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),

NEWS.md

@@ -4,7 +4,7 @@
 
 
 
-### 1.6.3.20 Release Notes (2020-10-16)
+### 1.6.3.21 Release Notes (2020-10-16)
 
 #### New features
 

man/plot.OutputsModel.Rd

@@ -76,7 +76,7 @@ Different types of independent graphs are available (depending on the model, but
   \item \code{"SnowPack"}: time series of snow water equivalent (plotted only if CemaNeige is used)
   \item \code{"Flows"}: time series of simulated flows (and observed flows if provided)
   \item \code{"Error"}: time series of simulated flows minus observed flows (and observed flows if provided)
-  \item \code{"Regime"}: interannual median monthly simulated flow (and observed flows if provided)
+  \item \code{"Regime"}: centred 30-day rolling mean applied on interannual average of daily simulated flows (and observed flows if provided)
   \item \code{"CorQQ"}: correlation plot between simulated and observed flows (only if observed flows provided)
   \item \code{"CumFreq"}: cumulative frequency plot for simulated flows (and observed flows if provided)
 }