diff --git a/manual.md b/manual.md
index c35dc4a..ad6ddf6 100644
--- a/manual.md
+++ b/manual.md
@@ -1,6 +1,6 @@
 # Faux Manual
 
-This document is up-to-date as of May 13, 2023.
+This document is up-to-date as of May 14, 2023.
 
 Faux is a [fantasy console](https://en.wikipedia.org/wiki/Fantasy_video_game_console) heavily inspired by [PICO-8](https://www.lexaloffle.com/pico-8.php), but with several alternative design choices. It is probably nowhere near as resource efficient either.
 
@@ -12,7 +12,7 @@ Glad you asked.
 
 Probably the most important difference is that cartridges are written in JavaScript rather than Lua.
 
-Another huge design difference, is that a Faux cartridge is made up of up to 16 "sheets". Each sheet can store a certain amount of data in a specific format. Sheets can be used to hold sprite data, map data, code, and eventually music/sfx, fonts, and other types of data.
+Another huge design difference is that rather than having a fixed amount of sprite/map/music data, a Faux cartridge is made up of up to 16 "sheets". Each sheet can store a certain amount of data in a specific format. Sheets can be used to hold sprite data, map data, code, and eventually music/sfx, fonts, and other types of data. The first sheet must always be a code sheet and must return an object with three properties: `init`, `update`, and `draw`, each of which should be a function.
 
 ## Code
 
@@ -37,7 +37,7 @@ And math symbols:
 - `camera(x: number, y: number)` draws everything from here on with an offset of (-x, -y). 
 - `sprsht(sheet: number)` sets the current spritesheet used for drawing sprites with the `spr` function below.
 - `spr(x: number, y: number, sprite: number)` draws the given sprite from the current spritesheet at (x,y).
-- `txt(x: number, y: number, text: string)` draws the given text at (x,y).
+- `txt(x: number, y: number, text: string, color?: number)` draws the given text at (x,y) in the provided color (or white if none provided).
 - `rectfill(x: number, y: number, w: number, h: number, color: number)` fills a rectangle with the given color with a top-left corner at (x,y) and a width of w and a height of h.
 - `rect(x: number, y: number, w: number, h: number, color: number)` outlines a rectangle with the given color with a top-left corner at (x,y) and a width of w and a height of h.
 - `circfill(x: number, y: number, r: number, color: number)` fills a circle with the given color with a center at (x,y) and a radius of r.