diff --git a/Magento2/Sniffs/Less/ColonSpacingSniff.php b/Magento2/Sniffs/Less/ColonSpacingSniff.php
index 6ada0fac..dd8fee7f 100644
--- a/Magento2/Sniffs/Less/ColonSpacingSniff.php
+++ b/Magento2/Sniffs/Less/ColonSpacingSniff.php
@@ -12,7 +12,7 @@
 /**
  * Class ColonSpacingSniff
  *
- * Ensure that single quotes are used
+ * Ensure that colon spacing is right
  *
  * @link https://devdocs.magento.com/guides/v2.4/coding-standards/code-standard-less.html#properties-colon-indents
  */
@@ -101,7 +101,7 @@ private function validateSpaces(File $phpcsFile, $stackPtr, array $tokens)
             if (false === strpos($content, $phpcsFile->eolChar)) {
                 $length  = strlen($content);
                 if ($length !== 1) {
-                    $error = 'Expected 1 space after colon in style definition; %s found';
+                    $error = sprintf('Expected 1 space after colon in style definition; %s found', $length);
                     $phpcsFile->addError($error, $stackPtr, 'After');
                 }
             } else {
diff --git a/Magento2/Tests/Less/ColonSpacingUnitTest.less b/Magento2/Tests/Less/ColonSpacingUnitTest.less
new file mode 100644
index 00000000..d888af2e
--- /dev/null
+++ b/Magento2/Tests/Less/ColonSpacingUnitTest.less
@@ -0,0 +1,26 @@
+// /**
+//  * Copyright © Magento, Inc. All rights reserved.
+//  * See COPYING.txt for license details.
+//  */
+
+
+div#foo {
+  blah:'abc';
+}
+
+.my #foo .blah {
+  some:  'stuff';
+}
+
+.blah {
+  foo :'xyz';
+}
+
+.foo {
+  bar:
+          'xyz';
+}
+
+.right {
+  way: 'good'
+}
diff --git a/Magento2/Tests/Less/ColonSpacingUnitTest.php b/Magento2/Tests/Less/ColonSpacingUnitTest.php
new file mode 100644
index 00000000..b50e47d0
--- /dev/null
+++ b/Magento2/Tests/Less/ColonSpacingUnitTest.php
@@ -0,0 +1,29 @@
+<?php
+/**
+ * Copyright © Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento2\Tests\Less;
+
+class ColonSpacingUnitTest extends AbstractLessSniffUnitTestCase
+{
+    /**
+     * @inheritdoc
+     */
+    public function getErrorList()
+    {
+        return [
+            8 => 1,
+            12 => 1,
+            16 => 2,
+        ];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getWarningList()
+    {
+        return [];
+    }
+}