diff --git a/2-js-basics/1-data-types/.github/pre-lecture-quiz.md b/2-js-basics/1-data-types/.github/pre-lecture-quiz.md
index 83746f63..4c6987c7 100644
--- a/2-js-basics/1-data-types/.github/pre-lecture-quiz.md
+++ b/2-js-basics/1-data-types/.github/pre-lecture-quiz.md
@@ -3,15 +3,15 @@
 1. Booleans are a data type you can use to test the length of a string
 
 - [ ] true
-- [ ] false
+- [x ] false
 
 1. The following is an operation you can perform on a string
 
-- [ ] concatenation
+- [x ] concatenation
 - [ ] appending
 - [ ] splicing
 
 3. `==` and `===` are interchangeable
    
-- [ ] true
-- [ ] false
\ No newline at end of file
+- [ x] true
+- [ ] false