diff --git a/xdist/plugin.py b/xdist/plugin.py
index d48530e..bcfc906 100644
--- a/xdist/plugin.py
+++ b/xdist/plugin.py
@@ -28,9 +28,9 @@ def pytest_addoption(parser):
     group._addoption('-d',
            action="store_true", dest="distload", default=False,
            help="load-balance tests.  shortcut for '--dist=load'")
-    group.addoption('--rsyncdir', action="append", default=[], metavar="rsyncdirs",
+    group.addoption('--rsyncdir', action="append", default=[], metavar="DIR",
            help="add directory for rsyncing to remote tx nodes.")
-    group.addoption('--rsyncignore', action="append", default=[], metavar="rsyncignores",
+    group.addoption('--rsyncignore', action="append", default=[], metavar="GLOB",
            help="add expression for ignores when rsyncing to remote tx nodes.")
 
     parser.addini('rsyncdirs', 'list of (relative) paths to be rsynced for'