diff --git a/docs/libcurl/symbols-in-versions b/docs/libcurl/symbols-in-versions
index 0eca8b4..13fdf4d 100644
--- a/docs/libcurl/symbols-in-versions
+++ b/docs/libcurl/symbols-in-versions
@@ -47,6 +47,7 @@ CURLE_FTP_COULDNT_SET_BINARY    7.1           7.17.0
 CURLE_FTP_COULDNT_SET_TYPE      7.17.0
 CURLE_FTP_COULDNT_STOR_FILE     7.1
 CURLE_FTP_COULDNT_USE_REST      7.1
+CURLE_FTP_PARTIAL_FILE          7.1           7.1
 CURLE_FTP_PORT_FAILED           7.1
 CURLE_FTP_QUOTE_ERROR           7.1           7.17.0
 CURLE_FTP_SSL_FAILED            -             7.17.0