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-rw-r--r--lib/decoding.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/decoding.c b/lib/decoding.c
index 9ac1131..27a02b3 100644
--- a/lib/decoding.c
+++ b/lib/decoding.c
@@ -154,7 +154,7 @@ asn1_get_length_der (const unsigned char *der, int der_len, int *len)
* @der_len: Length of DER data to decode.
* @cls: Output variable containing decoded class.
* @len: Output variable containing the length of the DER TAG data.
- * @tag: Output variable containing the decoded tag.
+ * @tag: Output variable containing the decoded tag (may be %NULL).
*
* Decode the class and TAG from DER code.
*