Precision on clitkBlurImage help

diff --git a/tools/clitkBlurImage.ggo b/tools/clitkBlurImage.ggo
index 62330ece35cf954b5b5b2fb5d99cd9d0a8d69a14..caa44d571904e46ab53d3b1d0af76ad641fa6014 100644 (file)
--- a/tools/clitkBlurImage.ggo
+++ b/tools/clitkBlurImage.ggo
@@ -11,4 +11,4 @@ option "imagetypes"   -       "Display allowed image types"     flag          off
 option "input"         i       "Input image filename"            string        required
 option "output"        o       "Output image filename"           string        required
 
-option "variance"       -      "value of the gaussian variance (multiple values=number of image dimension) in mm - default=1.0" double  optional  multiple
+option "variance"       -      "value of the gaussian variance (multiple values=number of image dimension) in mm² - default=1.0" double  optional  multiple