diff --git a/docs/assignments/week09.md b/docs/assignments/week09.md
index 66336e5525f455fc5401923f146bcc74a018bf69..1d402b4cae223a7f63b40f55323cab18fe5f45cd 100644
--- a/docs/assignments/week09.md
+++ b/docs/assignments/week09.md
@@ -23,9 +23,9 @@ For the mycelium, we mixed it with  the sculpting mix, by hand, wearing gloves.
 ## Crystals
 
 ![describe what you see in this image](../images/week09/IMG_9547.jpg){ width=300 align=left}
-![describe what you see in this image](../images/week09/IMG_9569){ width=300 align=right}
+![describe what you see in this image](../images/week09/IMG_9569.jpg){ width=300 align=right}
 ![describe what you see in this image](../images/week09/IMG_9583.jpg){ width=300 align=left}
-![describe what you see in this image](../images/week09/IMG_9593){ width=300 align=right}
+![describe what you see in this image](../images/week09/IMG_9593.jpg){ width=300 align=right}
 
 <p style="clear: left ;"></p>
 <br/>