diff --git a/doc/en/plugins.rst b/doc/en/plugins.rst
index e9b3f460c..3db7f0f59 100644
--- a/doc/en/plugins.rst
+++ b/doc/en/plugins.rst
@@ -90,7 +90,7 @@ Finding out which plugins are active
 If you want to find out which plugins are active in your
 environment you can type::
 
-    py.test --traceconfig
+    py.test --trace-config
 
 and will get an extended test header which shows activated plugins
 and their names. It will also print local plugins aka
diff --git a/doc/en/test/attic.rst b/doc/en/test/attic.rst
index 6408c7225..2ab9c237a 100644
--- a/doc/en/test/attic.rst
+++ b/doc/en/test/attic.rst
@@ -21,7 +21,7 @@ but note that project specific settings will be considered
 first.  There is a flag that helps you debugging your
 conftest.py configurations::
 
-    py.test --traceconfig
+    py.test --trace-config
 
 
 customizing the collecting and running process
diff --git a/doc/en/test/plugin/helpconfig.rst b/doc/en/test/plugin/helpconfig.rst
index 9b5b8cddd..00399b690 100644
--- a/doc/en/test/plugin/helpconfig.rst
+++ b/doc/en/test/plugin/helpconfig.rst
@@ -16,7 +16,7 @@ command line options
     display py lib version and import information.
 ``-p name``
     early-load given plugin (multi-allowed).
-``--traceconfig``
+``--trace-config``
     trace considerations of conftest.py files.
 ``--nomagic``
     don't reinterpret asserts, no traceback cutting.
diff --git a/doc/en/writing_plugins.rst b/doc/en/writing_plugins.rst
index 228c85132..41fd0335e 100644
--- a/doc/en/writing_plugins.rst
+++ b/doc/en/writing_plugins.rst
@@ -194,7 +194,7 @@ the plugin manager like this:
     plugin = config.pluginmanager.getplugin("name_of_plugin")
 
 If you want to look at the names of existing plugins, use
-the ``--traceconfig`` option.
+the ``--trace-config`` option.
 
 Testing plugins
 ---------------