Fix \p misuses in documentation
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/include/mbedtls/ecdsa.h b/include/mbedtls/ecdsa.h
index cbb6d32..b7029d7 100644
--- a/include/mbedtls/ecdsa.h
+++ b/include/mbedtls/ecdsa.h
@@ -454,7 +454,7 @@
* and have a group and private key bound to it, for example
* via mbedtls_ecdsa_genkey() or mbedtls_ecdsa_from_keypair().
* \param hash The message hash to be signed. This must be a readable
- * buffer of length \p blen Bytes.
+ * buffer of length \p hlen Bytes.
* \param hlen The length of the hash \p hash in Bytes.
* \param sig The buffer to which to write the signature. This must be a
* writable buffer of length at least twice as large as the