Fix doc generation

docs/launch.rst

@@ -1,6 +1,9 @@
 Launching programs in new windows/tabs
 ========================================
 
+.. program:: launch
+
+
 Syntax reference
 ------------------
 

kitty/cmds.py

@@ -780,8 +780,8 @@ def new_window(boss, window, payload):
     'Run an arbitrary process in a new window/tab',
     ' Prints out the id of the newly opened window. Any command line arguments'
     ' are assumed to be the command line used to run in the new window, if none'
-    ' are provided, the default shell is run. For example:\n'
-    ':italic:`kitty @ launch --title Email mutt`',
+    ' are provided, the default shell is run. For example:'
+    ' :italic:`kitty @ launch --title Email mutt`.',
     options_spec=MATCH_TAB_OPTION + '\n\n' + '''\
 --no-response
 type=bool-set