diff --git a/3-JSKata/README.md b/3-JSKata/README.md
index d6c99a8fb..abd1dd378 100644
--- a/3-JSKata/README.md
+++ b/3-JSKata/README.md
@@ -83,7 +83,7 @@ If things aren't working as you are expecting, `console.log` out the variables a
 ## Exercises
 
 - [x] [Object and arrays](./1-objects-and-arrays/README.md) (2hrs)
-- [ ] [Strings and numbers](./2-strings-and-numbers/README.md) (2hrs)
+- [x] [Strings and numbers](./2-strings-and-numbers/README.md) (2hrs)
 - [ ] [Data structures](./3-data-structures/README.md) (2hrs)
 - [ ] [Types](./4-types/README.md) (2hrs)