diff --git a/lib/chai/core/assertions.js b/lib/chai/core/assertions.js
index 069c5241b..e5ff86838 100644
--- a/lib/chai/core/assertions.js
+++ b/lib/chai/core/assertions.js
@@ -589,9 +589,9 @@ module.exports = function (chai, _) {
   /**
    * ### .ok
    *
-   * Asserts that the target is loosely (`==`) equal to `true`. However, it's
-   * often best to assert that the target is strictly (`===`) or deeply equal to
-   * its expected value.
+   * Asserts that the target is a truthy value (considered `true` in boolean context).
+   * However, it's often best to assert that the target is strictly (`===`) or
+   * deeply equal to its expected value.
    *
    *     expect(1).to.equal(1); // Recommended
    *     expect(1).to.be.ok; // Not recommended