autoclothing: add docs

Ref #1437

docs/Plugins.rst

@@ -1845,6 +1845,22 @@ reeequip with replacement items.
 Use the `enable` and `disable` commands to toggle this plugin's status, or run
 ``tailor status`` to check its current status.
 
+.. _autoclothing:
+
+autoclothing
+============
+
+Automatically manage clothing work orders, allowing the user to set how many of
+each clothing type every citizen should have. Usage::
+
+    autoclothing <material> <item> [number]
+
+Examples:
+
+* ``autoclothing cloth "short skirt" 10``:
+    Sets the desired number of cloth short skirts available per citizen to 10.
+* ``autoclothing cloth dress``:
+    Displays the currently set number of cloth dresses chosen per citizen.
 
 ================
 Map modification

plugins/autoclothing.cpp

@@ -187,7 +187,7 @@ DFhackCExport command_result plugin_init(color_ostream &out, std::vector <Plugin
         "autoclothing", "Automatically manage clothing work orders",
         autoclothing, false, /* true means that the command can't be used from non-interactive user interface */
         // Extended help string. Used by CR_WRONG_USAGE and the help command:
-        "  autoclothing material item <number>\n"
+        "  autoclothing <material> <item> [number]\n"
         "Example:\n"
         "  autoclothing cloth \"short skirt\" 10\n"
         "    Sets the desired number of cloth short skirts available per citizen to 10.\n"