Improve documentation of mbedtls_rsa_import[_raw]
diff --git a/include/mbedtls/rsa.h b/include/mbedtls/rsa.h
index da86d16..5e7fdca 100644
--- a/include/mbedtls/rsa.h
+++ b/include/mbedtls/rsa.h
@@ -171,6 +171,10 @@
  *                 and complete the provided information to a ready-for-use
  *                 public or private RSA key.
  *
+ * \note           See the documentation of \c mbedtls_rsa_complete for more
+ *                 information on which parameters are necessary to setup
+ *                 a private or public RSA key.
+ *
  * \note           The imported parameters are copied and need not be preserved
  *                 for the lifetime of the RSA context being set up.
  *
@@ -204,6 +208,10 @@
  *                 and complete the provided information to a ready-for-use
  *                 public or private RSA key.
  *
+ * \note           See the documentation of \c mbedtls_rsa_complete for more
+ *                 information on which parameters are necessary to setup
+ *                 a private or public RSA key.
+ *
  * \note           The imported parameters are copied and need not be preserved
  *                 for the lifetime of the RSA context being set up.
  *