update docs for spectate

docs/plugins/spectate.rst

@@ -1,5 +1,12 @@
 spectate
 ========
-Simple plugin to automate following random dwarves. Most of the time things will
-be weighted towards z-levels with the highest job activity. Simply enter the
-``spectate`` command to toggle the plugin's state.
+Tags:
+
+Automatically follow exciting dwarves.
+
+Usage::
+
+    enable spectate
+
+The plugin will automatically switch which dwarf is being followed periodically,
+preferring dwarves on z-levels with the highest job activity.

plugins/spectate.cpp

@@ -42,12 +42,7 @@ command_result spectate (color_ostream &out, std::vector <std::string> & paramet
 DFhackCExport command_result plugin_init (color_ostream &out, std::vector <PluginCommand> &commands) {
     commands.push_back(PluginCommand("spectate",
                                      "Automated spectator mode.",
-                                     spectate,
-                                     false,
-                                     ""
-                                     " spectate\n"
-                                     "    toggles spectator mode\n"
-                                     "\n"));
+                                     spectate));
     return CR_OK;
 }