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-rw-r--r--doc/gcrypt.texi8
1 files changed, 5 insertions, 3 deletions
diff --git a/doc/gcrypt.texi b/doc/gcrypt.texi
index dfff1b19..cef6318f 100644
--- a/doc/gcrypt.texi
+++ b/doc/gcrypt.texi
@@ -2798,9 +2798,11 @@ supported parameters are:
@table @code
@item nbits
-This is always required to specify the length of the key. The argument
-is a string with a number in C-notation. The value should be a multiple
-of 8.
+This is always required to specify the length of the key. The
+argument is a string with a number in C-notation. The value should be
+a multiple of 8. Note that the S-expression syntax requires that a
+number is prefixed with its string length; thus the @code{4:} in the
+above example.
@item curve @var{name}
For ECC a named curve may be used instead of giving the number of