v1.6.3.77 docs(man): improve X6 parameter description

Refs #75

DESCRIPTION

 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.6.3.76
+Version: 1.6.3.77
 Date: 2021-01-05
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),

NEWS.md

@@ -4,7 +4,7 @@
 
 
 
-### 1.6.3.76 Release Notes (2021-01-05)
+### 1.6.3.77 Release Notes (2021-01-05)
 
 #### New features
 

man/RunModel_CemaNeigeGR6J.Rd

@@ -30,7 +30,7 @@ GR6J X2      \tab intercatchment exchange coefficient [mm/d]
 GR6J X3      \tab routing store capacity [mm]                                             \cr
 GR6J X4      \tab unit hydrograph time constant [d]                                       \cr
 GR6J X5      \tab intercatchment exchange threshold [-]                                   \cr
-GR6J X6      \tab coefficient for emptying exponential store [mm]                         \cr
+GR6J X6      \tab exponential store depletion coefficient [mm]                            \cr
 CemaNeige X1 \tab weighting coefficient for snow pack thermal state [-]                   \cr
 CemaNeige X2 \tab degree-day melt coefficient [mm/°C/d]                                   \cr
 CemaNeige X3 \tab (optional) accumulation threshold [mm] (needed if \code{IsHyst = TRUE}) \cr

man/RunModel_GR6J.Rd

@@ -25,12 +25,12 @@ RunModel_GR6J(InputsModel, RunOptions, Param)
 
 \item{Param}{[numeric] vector of 6 parameters
   \tabular{ll}{
-    GR6J X1 \tab production store capacity [mm]                  \cr
-    GR6J X2 \tab intercatchment exchange coefficient [mm/d]      \cr
-    GR6J X3 \tab routing store capacity [mm]                     \cr
-    GR6J X4 \tab unit hydrograph time constant [d]               \cr
-    GR6J X5 \tab intercatchment exchange threshold [-]           \cr
-    GR6J X6 \tab coefficient for emptying exponential store [mm] \cr
+    GR6J X1 \tab production store capacity [mm]               \cr
+    GR6J X2 \tab intercatchment exchange coefficient [mm/d]   \cr
+    GR6J X3 \tab routing store capacity [mm]                  \cr
+    GR6J X4 \tab unit hydrograph time constant [d]            \cr
+    GR6J X5 \tab intercatchment exchange threshold [-]        \cr
+    GR6J X6 \tab exponential store depletion coefficient [mm] \cr
   }}
 }