Updated files for online documents

Fixed typos in hookscripts.md & sslc_readme.txt.

artifacts/scripting/functions.yml

@@ -1151,7 +1151,7 @@
   items:
   - name: init_hook
     detail: int init_hook()
-    doc: The hook script equivalent of game_loaded; it returns 2 when the script is first loaded, 1 when the player reloads and 0 otherwise.
+    doc: The hook script equivalent of `game_loaded`; it returns 1 when the script is loaded for the first time or when the player reloads the game, and 0 otherwise.
     opcode: 0x81ea
   - name: get_sfall_arg
     detail: mixed get_sfall_arg()
@@ -1743,6 +1743,16 @@
     doc: 'Redraws inventory items list in the inventory/loot/barter screens. Argument invSide specifies which side needs to be redrawn: 0 - the player, 1 - target (container/NPC in loot/barter screens), -1 - both sides (same as without argument).'
     macro: sfall.h
 
+- name: Pip-Boy
+  parent: Interface
+  items:
+  - name: set_quest_failure_value
+    detail: void sfall_func2("set_quest_failure_value", int gvarNumber, int thresholdValue)
+    doc: |
+      - sets the threshold value (failure_threshold) for the quest at which the quest will be considered failed (its description in the pipboy will be crossed out and colored red)
+      - `gvarNumber`: the number of the global variable controlling the quest
+      - `thresholdValue`: the value of the global variable at which the quest is counted as a failure
+
 - name: Cursor
   parent: Interface
   items:
@@ -1860,7 +1870,7 @@
         - True - only checks critters and ignores their cover (roof tiles, walls, scenery, etc.)
         - False - checks all objects (can't check critters under objects)
       - passing False to the includeDude argument will ignore dude_obj
-      **NOTE:** the function will always return 0 if the cursor is in movement mode (hexagon cursor).
+        - **NOTE:** to get an object located on a tile when the cursor is in movement mode (hexagon cursor), use the `tile_under_cursor` function
     macro: sfall.h
 
   - name: get_object_data