diff --git a/config/jsdoc/info/publish.js b/config/jsdoc/info/publish.js
index 24ab362fa9..188ddf4ad2 100644
--- a/config/jsdoc/info/publish.js
+++ b/config/jsdoc/info/publish.js
@@ -6,7 +6,7 @@ const path = require('path');
 
 /**
  * Publish hook for the JSDoc template.  Writes to JSON stdout.
- * @param {function} data The root of the Taffy DB containing doclet records.
+ * @param {Function} data The root of the Taffy DB containing doclet records.
  * @param {Object} opts Options.
  * @return {Promise} A promise that resolves when writing is complete.
  */
diff --git a/src/ol/style/expressions.js b/src/ol/style/expressions.js
index a51e97ed9a..f1eb483bd7 100644
--- a/src/ol/style/expressions.js
+++ b/src/ol/style/expressions.js
@@ -274,9 +274,9 @@ export function expressionToGlsl(context, value, typeHint) {
     (valueType & ValueTypes.COLOR) > 0 &&
     (typeHint === undefined || typeHint == ValueTypes.COLOR)
   ) {
-    return colorToGlsl(/** @type {number[]|string} */ (value));
+    return colorToGlsl(/** @type {Array<number> | string} */ (value));
   } else if ((valueType & ValueTypes.NUMBER_ARRAY) > 0) {
-    return arrayToGlsl(/** @type {number[]} */ (value));
+    return arrayToGlsl(/** @type {Array<number>} */ (value));
   }
 }
 
@@ -652,7 +652,7 @@ Operators['color'] = {
     assertArgsMinCount(args, 3);
     assertArgsMaxCount(args, 4);
     assertNumbers(args);
-    const array = /** @type {number[]} */ (args);
+    const array = /** @type {Array<number>} */ (args);
     if (args.length === 3) {
       array.push(1);
     }
diff --git a/test/test-extensions.js b/test/test-extensions.js
index e5751b4ba0..5120a28f36 100644
--- a/test/test-extensions.js
+++ b/test/test-extensions.js
@@ -63,8 +63,8 @@
 
   /**
    * Assert value is within some tolerance of a number.
-   * @param {Number} n Number.
-   * @param {Number} tol Tolerance.
+   * @param {number} n Number.
+   * @param {number} tol Tolerance.
    * @return {expect.Assertion} The assertion.
    */
   expect.Assertion.prototype.roughlyEqual = function (n, tol) {
@@ -455,7 +455,7 @@
    * @param {ol.PluggableMap} map A map using the canvas renderer.
    * @param {string} referenceImage Path to the reference image.
    * @param {number} tolerance The accepted mismatch tolerance.
-   * @param {function} done A callback to indicate that the test is done.
+   * @param {Function} done A callback to indicate that the test is done.
    */
   global.expectResemble = function (map, referenceImage, tolerance, done) {
     map.render();