diff --git a/man/TransfoParam_CemaNeige.Rd b/man/TransfoParam_CemaNeige.Rd
index 87f3a65078bd23485057eaed87440db86a2bb741..590c376f035d9663389b168d3d6aa6df420c89f9 100644
--- a/man/TransfoParam_CemaNeige.Rd
+++ b/man/TransfoParam_CemaNeige.Rd
@@ -14,7 +14,7 @@ TransfoParam_CemaNeige(ParamIn, Direction)
 
 
 \arguments{
-\item{ParamIn}{[numeric] matrix of parameter sets (sets in line, parameter values in column)}
+\item{ParamIn}{[numeric] vector or matrix of parameter sets (if matrix: sets in line, parameter values in column)}
 
 \item{Direction}{[character] direction of the transformation: use \code{"RT"} for Raw -> Transformed and \code{"TR"} for Transformed -> Raw}
 }