diff --git a/include/re_tls.h b/include/re_tls.h
index 70c3201..aeb1961 100644
--- a/include/re_tls.h
+++ b/include/re_tls.h
@@ -35,10 +35,10 @@ int tls_alloc(struct tls **tlsp, enum tls_method method, const char *keyfile,
 int tls_add_ca(struct tls *tls, const char *capath);
 int tls_set_selfsigned(struct tls *tls, const char *cn);
 int tls_set_certificate_pem(struct tls *tls, const char *cert, size_t len_cert,
-		const char *key, size_t len_key);
-int tls_set_certificate_der(struct tls *tls, enum tls_keytype key_type,
-		const uint8_t *cert, size_t len_cert, const uint8_t *key,
-		size_t len_key);
+			    const char *key, size_t len_key);
+int tls_set_certificate_der(struct tls *tls, enum tls_keytype keytype,
+			    const uint8_t *cert, size_t len_cert,
+			    const uint8_t *key, size_t len_key);
 int tls_set_certificate(struct tls *tls, const char *cert, size_t len);
 void tls_set_verify_client(struct tls *tls);
 int tls_set_srtp(struct tls *tls, const char *suites);
diff --git a/src/tls/openssl/tls.c b/src/tls/openssl/tls.c
index 0daff08..2b97dbf 100644
--- a/src/tls/openssl/tls.c
+++ b/src/tls/openssl/tls.c
@@ -361,7 +361,7 @@ int tls_set_selfsigned(struct tls *tls, const char *cn)
  * @return 0 if success, otherwise errorcode
  */
 int tls_set_certificate_pem(struct tls *tls, const char *cert, size_t len_cert,
-		const char *key, size_t len_key)
+			    const char *key, size_t len_key)
 {
 	BIO *bio = NULL, *kbio = NULL;
 	X509 *x509 = NULL;
@@ -419,11 +419,12 @@ int tls_set_certificate_pem(struct tls *tls, const char *cert, size_t len_cert,
 	return err;
 }
 
+
 /**
  * Set the certificate and private key on a TLS context
  *
  * @param tls      TLS Context
- * @param keytype Private key type
+ * @param keytype  Private key type
  * @param cert     Certificate in DER format
  * @param len_cert Length of certificate DER bytes
  * @param key      Private key in DER format, will be read from cert if NULL
@@ -432,8 +433,8 @@ int tls_set_certificate_pem(struct tls *tls, const char *cert, size_t len_cert,
  * @return 0 if success, otherwise errorcode
  */
 int tls_set_certificate_der(struct tls *tls, enum tls_keytype keytype,
-		const uint8_t *cert, size_t len_cert, const uint8_t *key,
-		size_t len_key)
+			    const uint8_t *cert, size_t len_cert,
+			    const uint8_t *key, size_t len_key)
 {
 	const uint8_t *buf_cert;
 	X509 *x509 = NULL;
@@ -491,6 +492,7 @@ int tls_set_certificate_der(struct tls *tls, enum tls_keytype keytype,
 	return err;
 }
 
+
 /**
  * Set the certificate and private key on a TLS context
  *