diff --git a/docs/plugins.md b/docs/plugins.md
index d7aad9de8..0489bf097 100644
--- a/docs/plugins.md
+++ b/docs/plugins.md
@@ -815,6 +815,10 @@ Enable it manually on each run via `-p` option:
 
     npx codeceptjs run -p pauseOnFail
 
+## reportData
+
+TypeScript: Explicitly type reportData arrays as any[] to avoid 'never' errors
+
 ## retryFailedStep
 
 Retries each failed step in a test.
diff --git a/lib/output.js b/lib/output.js
index 68567a3be..227a54bf8 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -222,12 +222,10 @@ module.exports = {
     /**
      * @param {Mocha.Test} test
      */
-
     started(test) {
       if (outputLevel < 1) return
       print(`  ${colors.dim.bold('Scenario()')}`)
     },
-
     /**
      * @param {Mocha.Test} test
      */
@@ -273,10 +271,12 @@ module.exports = {
   },
 
   /**
+   * Prints the stats of a test run to the console.
    * @param {number} passed
    * @param {number} failed
    * @param {number} skipped
    * @param {number|string} duration
+   * @param {number} [failedHooks]
    */
   result(passed, failed, skipped, duration, failedHooks = 0) {
     let style = colors.bgGreen
diff --git a/lib/result.js b/lib/result.js
index 08e7033b5..2d5ceceaf 100644
--- a/lib/result.js
+++ b/lib/result.js
@@ -14,6 +14,11 @@ const { serializeTest } = require('./mocha/test')
  * @property {number} duration Duration of the test run, in milliseconds.
  */
 
+/**
+ * @typedef {Array<string|number>} Failure
+ * A detailed formatted report for a failed test.
+ */
+
 /**
  * Result of a test run. Will be emitted for example in "event.all.result" events.
  */
@@ -48,7 +53,7 @@ class Result {
     this._tests = []
 
     /**
-     * @type {string[][]}
+     * @type {Failure[]}
      * @private
      */
     this._failures = []
@@ -91,7 +96,7 @@ class Result {
   /**
    * The failure reports (array of strings per failed test).
    *
-   * @type {string[][]}
+   * @type {Failure[]}
    * @readonly
    */
   get failures() {
@@ -136,7 +141,7 @@ class Result {
   /**
    * Adds failure reports to this result.
    *
-   * @param {string[][]} newFailures
+   * @param {Failure[]} newFailures
    */
   addFailures(newFailures) {
     this._failures.push(...newFailures)