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-rw-r--r--instructions.html1
1 files changed, 1 insertions, 0 deletions
diff --git a/instructions.html b/instructions.html
index 4ff57e9..2767e48 100644
--- a/instructions.html
+++ b/instructions.html
@@ -44,6 +44,7 @@ deg(radians), rad(degrees)
rgb(r,g,b)
rgbref([rgb])
black() white() red()
+gray(n)
<u>color spaces</u>
rgb2xyz(rgb)