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-rw-r--r--manual/stdio.texi10
1 files changed, 5 insertions, 5 deletions
diff --git a/manual/stdio.texi b/manual/stdio.texi
index bd140e46d7..19a84a4e4c 100644
--- a/manual/stdio.texi
+++ b/manual/stdio.texi
@@ -2295,11 +2295,11 @@ argument specifies the maximum number of characters to produce. The
trailing null character is counted towards this limit, so you should
allocate at least @var{size} wide characters for the string @var{ws}.
-The return value is the number of characters which would be generated
-for the given input, excluding the trailing null. If this value is
-greater or equal to @var{size}, not all characters from the result have
-been stored in @var{ws}. You should try again with a bigger output
-string.
+The return value is the number of characters generated for the given
+input, excluding the trailing null. If not all output fits into the
+provided buffer a negative value is returned. You should try again with
+a bigger output string. @emph{Note:} this is different from how
+@code{snprintf} handles this situation.
Note that the corresponding narrow stream function takes fewer
parameters. @code{swprintf} in fact corresponds to the @code{snprintf}