diff --git a/lib/markdownlint.mjs b/lib/markdownlint.mjs
index 73194b20..76806ffb 100644
--- a/lib/markdownlint.mjs
+++ b/lib/markdownlint.mjs
@@ -825,6 +825,7 @@ function lintInput(options, synchronous, callback) {
   const handleRuleFailures = !!options.handleRuleFailures;
   const noInlineConfig = !!options.noInlineConfig;
   // eslint-disable-next-line dot-notation
+  // Bracket notation is intentionally used here to access 'resultVersion' in case it is a deprecated or reserved property, and to avoid potential issues with dot notation.
   const resultVersion = (options["resultVersion"] === undefined) ? 3 : options["resultVersion"];
   const markdownItFactory =
     options.markdownItFactory ||