diff --git a/lib/rules/no-param-reassign.js b/lib/rules/no-param-reassign.js
index 2d873e9e915..d65eb34762a 100644
--- a/lib/rules/no-param-reassign.js
+++ b/lib/rules/no-param-reassign.js
@@ -148,7 +148,7 @@ module.exports = {
          * Tests that an identifier name matches any of the ignored property assignments.
          * First we test strings in ignoredPropertyAssignmentsFor.
          * Then we instantiate and test RegExp objects from ignoredPropertyAssignmentsForRegex strings.
-         * @param {string} identifierName - A string that describes the name of an identifier to
+         * @param {string} identifierName A string that describes the name of an identifier to
          * ignore property assignments for.
          * @returns {boolean} Whether the string matches an ignored property assignment regular expression or not.
          */