Update changelog and fix doc typo

src/main/resources/assets/computercraft/lua/rom/help/changelog.txt

@@ -7,6 +7,8 @@
 * The Lua REPL warns when declaring locals (lupus590, exerro)
 * Add config to allow using command computers in survival.
 * Add fs.isDriveRoot - checks if a path is the root of a drive.
+* `cc.pretty` can now display a function's arguments and where it was defined. The Lua REPL will show arguments by default.
+* Move the shell's `require`/`package` implementation to a separate `cc.require` module.
 
 And several bug fixes:
 * Fix io.lines not accepting arguments.

src/main/resources/assets/computercraft/lua/rom/help/whatsnew.txt

@@ -7,6 +7,8 @@ New features in CC: Tweaked 1.88.0
 * The Lua REPL warns when declaring locals (lupus590, exerro)
 * Add config to allow using command computers in survival.
 * Add fs.isDriveRoot - checks if a path is the root of a drive.
+* `cc.pretty` can now display a function's arguments and where it was defined. The Lua REPL will show arguments by default.
+* Move the shell's `require`/`package` implementation to a separate `cc.require` module.
 
 And several bug fixes:
 * Fix io.lines not accepting arguments.

src/main/resources/assets/computercraft/lua/rom/modules/main/cc/pretty.lua

@@ -425,7 +425,7 @@ end
 -- @tparam[opt] { function_args = boolean, function_source = boolean } options
 -- Controls how various properties are displayed.
 --  - `function_args`: Show the arguments to a function if known (`false` by default).
---  - `function_source: Show where the function was defined, instead of
+--  - `function_source`: Show where the function was defined, instead of
 --    `function: xxxxxxxx` (`false` by default).
 -- @treturn Doc The object formatted as a document.
 -- @usage Display a table on the screen