Fixed documentation issues found by clang
diff --git a/include/polarssl/pk.h b/include/polarssl/pk.h
index 958672b..013d973 100644
--- a/include/polarssl/pk.h
+++ b/include/polarssl/pk.h
@@ -453,14 +453,14 @@
* return value to determine where you should start
* using the buffer
*
- * \param key private to write away
+ * \param ctx private to write away
* \param buf buffer to write to
* \param size size of the buffer
*
* \return length of data written if successful, or a specific
* error code
*/
-int pk_write_key_der( pk_context *pk, unsigned char *buf, size_t size );
+int pk_write_key_der( pk_context *ctx, unsigned char *buf, size_t size );
/**
* \brief Write a public key to a SubjectPublicKeyInfo DER structure
@@ -468,37 +468,37 @@
* return value to determine where you should start
* using the buffer
*
- * \param key public key to write away
+ * \param ctx public key to write away
* \param buf buffer to write to
* \param size size of the buffer
*
* \return length of data written if successful, or a specific
* error code
*/
-int pk_write_pubkey_der( pk_context *key, unsigned char *buf, size_t size );
+int pk_write_pubkey_der( pk_context *ctx, unsigned char *buf, size_t size );
#if defined(POLARSSL_PEM_WRITE_C)
/**
* \brief Write a public key to a PEM string
*
- * \param key public key to write away
+ * \param ctx public key to write away
* \param buf buffer to write to
* \param size size of the buffer
*
* \return 0 successful, or a specific error code
*/
-int pk_write_pubkey_pem( pk_context *key, unsigned char *buf, size_t size );
+int pk_write_pubkey_pem( pk_context *ctx, unsigned char *buf, size_t size );
/**
* \brief Write a private key to a PKCS#1 or SEC1 PEM string
*
- * \param key private to write away
+ * \param ctx private to write away
* \param buf buffer to write to
* \param size size of the buffer
*
* \return 0 successful, or a specific error code
*/
-int pk_write_key_pem( pk_context *key, unsigned char *buf, size_t size );
+int pk_write_key_pem( pk_context *ctx, unsigned char *buf, size_t size );
#endif /* POLARSSL_PEM_WRITE_C */
#endif /* POLARSSL_PK_WRITE_C */