diff --git a/src/plugins/value/value_parameters.ml b/src/plugins/value/value_parameters.ml
index 00aa3166f88de075b0042ed0a7a5cccd34807ebd..c1a44a5949f45fbb30df7eb57e360f70bc44e22d 100644
--- a/src/plugins/value/value_parameters.ml
+++ b/src/plugins/value/value_parameters.ml
@@ -495,10 +495,12 @@ module WarnCopyIndeterminate =
     (struct
       let option_name = "-eva-warn-copy-indeterminate"
       let arg_name = "f | @all"
-      let help = "Warn when a statement of the specified functions copies a \
-                  value that may be indeterminate (uninitialized or containing \
-                  escaping address). Set by default; can be deactivated for \
-                  function 'f' by '=-f', or for all functions by '=-@all'."
+      let help =
+        "Warn when a statement copies a value that may be indeterminate \
+         (uninitialized, containing an escaping address, or infinite/NaN \
+         floating-point value). \
+         Set by default; can be deactivated for function 'f' by '=-f', \
+         or for all functions by '=-@all'."
     end)
 let () = add_correctness_dep WarnCopyIndeterminate.parameter
 let () = WarnCopyIndeterminate.Category.(set_default (all ()))