update docs

Author: TimurKelman

docs/plugins/spectate.rst

@@ -37,6 +37,7 @@ Usage
     spectate [status]
     spectate toggle
     spectate set <setting> <value> [<subvalue>]
+    spectate toggle <setting>
     spectate overlay enable|disable
 
 Examples
@@ -68,6 +69,9 @@ Examples
     job is displayed in the `spectate` tooltips. See the
     ``tooltip-follow-job-shortenings`` setting below for details.
 
+``spectate toggle tooltip-follow``
+    Toggle the follow tooltips on or off.
+
 Settings
 --------
 
@@ -110,6 +114,12 @@ Settings
     If the ``spectate.tooltip`` overlay is enabled, set the tooltip's blink
     duration in milliseconds. Set to 0 to always show.
 
+``tooltip-follow-hold-to-show`` (default: none)
+    If the ``spectate.tooltip`` overlay is enabled, specifies a modifier key
+    (one of none, ctrl, alt, or shift) that has to be hold to show the tooltips
+    that follow onscreen dwarves around the map. This supersedes the
+    ``tooltip-follow-blink-milliseconds`` option.
+
 ``tooltip-follow-job`` (default: enabled)
     If the ``spectate.tooltip`` overlay is enabled, toggle whether to show the
     job of the dwarf in the tooltip.