diff --git a/ch08.r b/ch08.r
index 27fb09f..ff4bc7c 100644
--- a/ch08.r
+++ b/ch08.r
@@ -64,7 +64,7 @@ mu = apply(y, c(1,2), mean)
 lambdahat = -log(1-mu)
 fig1 = x[,,1]
 
-# Flip matrix since image reads the matrix bottom up
+# Flip matrix since `image()` reads the matrix bottom up
 flip_matrix = function(m) m[,nrow(m):1]
 
 image(flip_matrix(fig1), col=gray.colors(255))