diff --git a/JavaScript/Tasks/1-promisify-problem.js b/JavaScript/Tasks/1-promisify-problem.js
index 0170989..a90e9f3 100644
--- a/JavaScript/Tasks/1-promisify-problem.js
+++ b/JavaScript/Tasks/1-promisify-problem.js
@@ -1,8 +1,10 @@
'use strict';
-// Task: implement a cancelable promise by passing `timeout: number`
-// as an option to the promisified function (last argument,
-// replacing the callback).
+// Task: implement a cancelable promisify function.
+// Allow passing new argument `timeout: number` after the last argument
+// to the original function replacing the callback. The promisify should check
+// the existence of timeout and apply logic to implement it on top of calling original function
+// There is no need to propagate timeout to original function.
const promisify = (fn) => (...args) => {
const promise = new Promise((resolve, reject) => {
diff --git a/JavaScript/Tasks/2-abort-problem.js b/JavaScript/Tasks/2-abort-problem.js
index e6646a2..e696c3f 100644
--- a/JavaScript/Tasks/2-abort-problem.js
+++ b/JavaScript/Tasks/2-abort-problem.js
@@ -1,7 +1,10 @@
'use strict';
-// Task: implement cancellation by passing `AbortSignal` as an option
-// to the promisified function (last argument, replacing the callback).
+// Task: implement a cancelable promisify function with AbortController.
+// Allow passing new argument `AbortSignal` after the last argument
+// to the original function replacing the callback. The promisify should check
+// the existence of AbortSignal and apply logic to implement it on top of calling original function
+// There is no need to propagate AbortSignal to original function.
// Hint: Create `AbortController` or `AbortSignal` in the usage section.
const promisify = (fn) => (...args) => {
diff --git a/JavaScript/Tasks/4-iterator-problem.js b/JavaScript/Tasks/4-iterator-problem.js
index 5785391..9ba6933 100644
--- a/JavaScript/Tasks/4-iterator-problem.js
+++ b/JavaScript/Tasks/4-iterator-problem.js
@@ -1,8 +1,8 @@
'use strict';
-// Task: ensure all blocks of code in the usage section iterate in parallel.
-// Currently, only the last block (of 3) works. Fix this issue so that
-// all blocks can iterate concurrently using a single `Timer` instance.
+// Task: ensure all blocks of code in the usage section iterate in parallel
+// on the same timer instance getting the same values. Currently, only the last block (of 3) works.
+// Update the implementation of Timer so that all blocks can iterate concurrently using a single Timer instance.
class Timer {
#counter = 0;
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