diff --git a/Sprint-1/1-key-exercises/2-initials.js b/Sprint-1/1-key-exercises/2-initials.js
index 47561f6175..964c9563c6 100644
--- a/Sprint-1/1-key-exercises/2-initials.js
+++ b/Sprint-1/1-key-exercises/2-initials.js
@@ -1,11 +1,10 @@
-let firstName = "Creola";
-let middleName = "Katherine";
-let lastName = "Johnson";
+const firstName = "Creola";
+const middleName = "Katherine";
+const lastName = "Johnson";
 
 // Declare a variable called initials that stores the first character of each string.
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
-let initials = ``;
+const initials = ``;
 
 // https://www.google.com/search?q=get+first+character+of+string+mdn
-
diff --git a/Sprint-1/4-stretch-explore/chrome.md b/Sprint-1/4-stretch-explore/chrome.md
index e7dd5feafe..962580b828 100644
--- a/Sprint-1/4-stretch-explore/chrome.md
+++ b/Sprint-1/4-stretch-explore/chrome.md
@@ -1,14 +1,11 @@
-Open a new window in Chrome,
-
-then locate the **Console** tab.
+Open a new window in Chrome, right click an empty space on the page, select **Inspect** from the dropdown, then locate the **Console** tab.
 
 Voila! You now have access to the [Chrome V8 Engine](https://www.cloudflare.com/en-gb/learning/serverless/glossary/what-is-chrome-v8/).
 Just like the Node REPL, you can input JavaScript code into the Console tab and the V8 engine will execute it.
 
 Let's try an example.
 
-In the Chrome console,
-invoke the function `alert` with an input string of `"Hello world!"`;
+In the Chrome console, invoke the function `alert` with one argument, the string `"Hello world!"`;
 
 What effect does calling the `alert` function have?
 
diff --git a/Sprint-2/3-mandatory-implement/1-bmi.js b/Sprint-2/3-mandatory-implement/1-bmi.js
index 17b1cbde1b..58b1085f1f 100644
--- a/Sprint-2/3-mandatory-implement/1-bmi.js
+++ b/Sprint-2/3-mandatory-implement/1-bmi.js
@@ -6,14 +6,14 @@
 
 // squaring your height: 1.73 x 1.73 = 2.99
 // dividing 70 by 2.99 = 23.41
-// Your result will be displayed to 1 decimal place, for example 23.4.
+// Your result will be displayed to 1 decimal place, for example '23.4'.
 
 // You will need to implement a function that calculates the BMI of someone based off their weight and height
 
 // Given someone's weight in kg and height in metres
 // Then when we call this function with the weight and height
-// It should return their Body Mass Index to 1 decimal place
+// It should return a string of their Body Mass Index to 1 decimal place
 
 function calculateBMI(weight, height) {
-    // return the BMI of someone based off their weight and height
-}
\ No newline at end of file
+  // return the BMI of someone based off their weight and height
+}
diff --git a/Sprint-2/3-mandatory-implement/3-to-pounds.js b/Sprint-2/3-mandatory-implement/3-to-pounds.js
index 6265a1a703..10754da73f 100644
--- a/Sprint-2/3-mandatory-implement/3-to-pounds.js
+++ b/Sprint-2/3-mandatory-implement/3-to-pounds.js
@@ -1,4 +1,4 @@
-// In Sprint-1, there is a program written in interpret/to-pounds.js
+// In Sprint-1, there is a program written in 3-mandatory-interpret/3-to-pounds.js
 
 // You will need to take this code and turn it into a reusable block of code.
 // You will need to declare a function called toPounds with an appropriately named parameter.
diff --git a/Sprint-2/4-mandatory-interpret/time-format.js b/Sprint-2/4-mandatory-interpret/time-format.js
index 17127bc01e..c0dd9c9a5b 100644
--- a/Sprint-2/4-mandatory-interpret/time-format.js
+++ b/Sprint-2/4-mandatory-interpret/time-format.js
@@ -28,7 +28,7 @@ function formatTimeDisplay(seconds) {
 // b) What is the value assigned to num when pad is called for the first time?
 // =============> write your answer here
 
-// c) What is the return value of pad is called for the first time?
+// c) What is the return value of pad when it is called for the first time?
 // =============> write your answer here
 
 // d) What is the value assigned to num when pad is called for the last time in this program?  Explain your answer
diff --git a/Sprint-3/4-stretch/README.md b/Sprint-3/4-stretch/README.md
index 8f01227bf9..26545d4af5 100644
--- a/Sprint-3/4-stretch/README.md
+++ b/Sprint-3/4-stretch/README.md
@@ -4,6 +4,6 @@ These stretch activities are not mandatory, but we hope you will explore them af
 
 In this exercise, you'll need to **play computer** with the function `find`. This function makes use of while loop statement. Your task will be to step through the code to figure out what is happening when the computer executes the code.
 
-Next, try implementing the functions specified in `password-validator.js`.
+Next, try implementing the function in `password-validator.js` (description of its expected behaviour is in the accompanying `password-validator.test.js` file).
 
 Finally, set up your own script and test files for `card-validator.md`
diff --git a/Sprint-3/4-stretch/password-validator.js b/Sprint-3/4-stretch/password-validator.js
index b55d527dba..040769beaf 100644
--- a/Sprint-3/4-stretch/password-validator.js
+++ b/Sprint-3/4-stretch/password-validator.js
@@ -1,6 +1,5 @@
 function passwordValidator(password) {
-    return password.length < 5 ? false : true
+  return password.length >= 5;
 }
 
-
-module.exports = passwordValidator;
\ No newline at end of file
+module.exports = passwordValidator;