Fix copypasta in documentation of an error case
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index a17bfc2..c2a2770 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -1170,8 +1170,7 @@
*
* \return The tag length specified by the input algorithm.
* \return Unspecified if \p alg is not a supported
- * AEAD algorithm or if \p tag_length is not valid
- * for the specified AEAD algorithm.
+ * AEAD algorithm.
*/
#define PSA_ALG_AEAD_GET_TAG_LENGTH(aead_alg) \
(((aead_alg) & PSA_ALG_AEAD_TAG_LENGTH_MASK) >> \