diff --git a/df.txt b/df.txt
index 43785ce..1758ce8 100644
--- a/df.txt
+++ b/df.txt
@@ -399,7 +399,7 @@ relative to the start of the buffer as:
 pixelOffset = x | (y * 16);
 -----
 
-a 16{times}12 image comprised of 4{times}4 tiles may calculate the
+a 16{times}12 image comprising 4{times}4 tiles may calculate the
 pixel offset relative to the start of the buffer as:
 
 -----