errors: CURLM_CALL_MULTI_PERFORM is not returned anymore

diff --git a/docs/libcurl/libcurl-errors.3 b/docs/libcurl/libcurl-errors.3
index 8ad1facc6d2eae3a9b6efcc0c58bebf0ce645e33..ab37f876e0fee624950b546cfc723848c2a04b69 100644 (file)
--- a/docs/libcurl/libcurl-errors.3
+++ b/docs/libcurl/libcurl-errors.3
@@ -248,7 +248,10 @@ This is the generic return code used by functions in the libcurl multi
 interface. Also consider \fIcurl_multi_strerror(3)\fP.
 .IP "CURLM_CALL_MULTI_PERFORM (-1)"
 This is not really an error. It means you should call
-\fIcurl_multi_perform(3)\fP again without doing select() or similar in between.
+\fIcurl_multi_perform(3)\fP again without doing select() or similar in
+between. Before version 7.20.0 this could be returned by
+\fIcurl_multi_perform(3)\fP, but in later versions this return code is never
+used.
 .IP "CURLM_OK (0)"
 Things are fine.
 .IP "CURLM_BAD_HANDLE (1)"