[mdoc-update] Add --help text for --exceptions=added.

diff --git a/mcs/tools/mdoc/Mono.Documentation/monodocer.cs b/mcs/tools/mdoc/Mono.Documentation/monodocer.cs
index 4ec32b33c6a9359e96222ef33db7ff2628d530b0..e2eba369ca0dd212f64ca32c6c351614a44c0471 100644 (file)
--- a/mcs/tools/mdoc/Mono.Documentation/monodocer.cs
+++ b/mcs/tools/mdoc/Mono.Documentation/monodocer.cs
@@ -66,6 +66,8 @@ class MDocUpdater : MDocCommand
                                "  asm      Method calls in same assembly\n" +
                                "  depasm   Method calls in dependent assemblies\n" +
                                "  all      Record all possible exceptions\n" +
+                               "  added    Modifier; only create <exception/>s\n" +
+                               "             for NEW types/members\n" +
                                "If nothing is specified, then only exceptions from the member will " +
                                "be listed.",
                                v => exceptions = ParseExceptionLocations (v) },