Documentation error in `mbedtls_ssl_get_session`

Fix Documentation error in `mbedtls_ssl_get_session`.
This function supports deep copying of the session,
and the peer certificate is not lost anymore, Resolves #926
diff --git a/ChangeLog b/ChangeLog
index 44533d2..10f0773 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -18,6 +18,9 @@
      return value. Found by @davidwu2000. #839
    * Fix a memory leak in mbedtls_x509_csr_parse(), found by catenacyber,
      Philippe Antoine. Fixes #1623.
+   * Remove wrong documentation for `mbedtls_ssl_get_session`.
+     This API has deep copy of the session, and the peer
+     certificate is not lost. #926
 
 Changes
    * Change the shebang line in Perl scripts to look up perl in the PATH.
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 39b7f29..ac9a3f3 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -2737,7 +2737,6 @@
  * \brief          Save session in order to resume it later (client-side only)
  *                 Session data is copied to presented session structure.
  *
- * \warning        Currently, peer certificate is lost in the operation.
  *
  * \param ssl      SSL context
  * \param session  session context
@@ -2747,6 +2746,11 @@
  *                 MBEDTLS_ERR_SSL_BAD_INPUT_DATA if used server-side or
  *                 arguments are otherwise invalid
  *
+ * \note           Only the server certificate is copied, and not the chain
+ *                 but this is not a problem because the result of the chain
+ *                 verification is stored in `verify_result` and can be checked
+ *                 with \c mbedtls_ssl_get_verify_result()
+ *
  * \sa             mbedtls_ssl_set_session()
  */
 int mbedtls_ssl_get_session( const mbedtls_ssl_context *ssl, mbedtls_ssl_session *session );