diff --git a/src/image.rs b/src/image.rs
index 2e6076c..571a8b3 100644
--- a/src/image.rs
+++ b/src/image.rs
@@ -5,7 +5,7 @@ use std::fs::read_to_string;
 #[derive(Debug, Eq, PartialEq, Serialize, Deserialize)]
 pub struct Image {
     pub name: String,
-    /// colour indexes - todo convert to [u8; 64]?
+    /// colour indices - todo convert to [u8; 64]?
     pub pixels: Vec<u8>,
 }