update docs for stocks

docs/plugins/stocks.rst

@@ -1,5 +1,20 @@
 stocks
 ======
-Replaces the DF stocks screen with an improved version.
+Tags:
-
 :dfhack-keybind:`stocks`
+
+Enhanced fortress stock management interface. When the plugin is enabled, two
+new hotkeys become available:
+
+* :kbd:`e` on the vanilla DF stocks screen (:kbd:`z` and then select Stocks)
+  will launch the fortress-wide stock management screen.
+* :kbd:`i` when a stockpile is selected in :kbd:`q` mode will launch the
+  stockpile inventory management screen.
+
+Usage::
+
+    enable stocks
+    stocks show
+
+Running ``stocks show`` will bring you to the fortress-wide stock management
+screen from whereever you are.

plugins/stocks.cpp

@@ -1469,10 +1469,10 @@ static command_result stocks_cmd(color_ostream &out, vector <string> & parameter
 
 DFhackCExport command_result plugin_init (color_ostream &out, std::vector <PluginCommand> &commands)
 {
-    commands.push_back(
+    commands.push_back(PluginCommand(
-        PluginCommand(
+        "stocks",
-        "stocks", "An improved stocks display screen",
+        "An improved stocks management screen.",
-        stocks_cmd, false, "Run 'stocks show' open the stocks display screen, or 'stocks version' to query the plugin version."));
+        stocks_cmd));
 
     ViewscreenStocks::reset();