diff --git a/src/rules/no-duplicates.js b/src/rules/no-duplicates.js
index 33e68b1d37..b896f442ae 100644
--- a/src/rules/no-duplicates.js
+++ b/src/rules/no-duplicates.js
@@ -113,6 +113,7 @@ function getFix(first, rest, sourceCode, context) {
         const isTypeSpecifier = specifier.importNode.importKind === 'type';
 
         const preferInline = context.options[0] && context.options[0]['prefer-inline'];
+        // a user might set prefer-inline but not have a supporting TypeScript version.  Flow does not support inline types so this should fail in that case as well.
         if (preferInline && !semver.satisfies(typescriptPkg.version, '>= 4.5')) {
           throw new Error('Your version of TypeScript does not support inline type imports.');
         }