diff --git a/exo/09/31.md b/exo/09/31.md
index 3609d1da0c..28d09a69fd 100644
--- a/exo/09/31.md
+++ b/exo/09/31.md
@@ -1,6 +1,6 @@
 # flax
 
-This is a plant that produces fibers that can be made into linen cloth./
+This is a plant that produces fibers that can be made into linen cloth.
 
 # barley