diff --git a/content/tutorials/write-c2d-algorithms.md b/content/tutorials/write-c2d-algorithms.md
index a617a7b0..3339a6f9 100644
--- a/content/tutorials/write-c2d-algorithms.md
+++ b/content/tutorials/write-c2d-algorithms.md
@@ -7,7 +7,7 @@ description:
 
 An C2D algorithm is composed of the following:
 
- - a docker image (base image)
+ - a docker image (base image + tag)
  - an algorithm code
  - a entry point