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-rw-r--r--worksheets/a1_textrain.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/worksheets/a1_textrain.md b/worksheets/a1_textrain.md
index 7849594..2f9c64f 100644
--- a/worksheets/a1_textrain.md
+++ b/worksheets/a1_textrain.md
@@ -73,7 +73,7 @@ final int threshold = 128;
// Returns: thresholded color (black or white)
color thresholdPixel(color inputPixel) {
- if blue(inputPixel) < threshold {
+ if (blue(inputPixel) < threshold) {
return color(0);
} else {
return color(255);