diff --git a/.husky/pre-commit b/.husky/pre-commit
deleted file mode 100644
index 6b54e0b..0000000
--- a/.husky/pre-commit
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
-npx eslint src
diff --git a/src/extensions/more-data-types.js b/src/extensions/more-data-types.js
index 64cde7b..093a58b 100644
--- a/src/extensions/more-data-types.js
+++ b/src/extensions/more-data-types.js
@@ -1,22 +1,22 @@
 // TODO: Replace the empty string in the lines below using Javascript with the correct data types
 
 // 1. Set this variable to be null
-const nullVariable = ''
+const nullVariable = null
 
 // 2. Set this variable to be true
-const trueVariable = ''
+const trueVariable = true
 
 // 2. Set this variable to be the opposite of the trueVariable (ie. false);
-const falseVariable = ''
+const falseVariable = false
 
 // 3. Set this variable to be undefined
-const undefinedVariable = ''
+const undefinedVariable = undefined
 
 // 4. get the typeof each of the above variables
 // hint you can use typeof variable to return a string of the variable type
-const typeOfTrueVariable = ''
-const typeOfFalseVariable = ''
-const typeOfUndefinedVariable = ''
+const typeOfTrueVariable = typeof trueVariable
+const typeOfFalseVariable = typeof falseVariable
+const typeOfUndefinedVariable = typeof undefinedVariable
 
 // do not edit the exported object.
 module.exports = {