diff --git a/README.md b/README.md
index 41c437f..2dfc17e 100644
--- a/README.md
+++ b/README.md
@@ -24,11 +24,10 @@ It supports [W3C](https://www.w3.org/Style/CSS/) and [MDN](https://developer.moz
 
 ===========================================================
 
-# Lint file "/path/to/css/file.css"...
- => File "/path/to/css/file.css" is not valid :
-
-    - Unknown CSS property "bordr-top-style" (line: 8, char: 20)
-    - Unexpected char ":" (line: 15, char: 5)
+# Lint CSS file "/path/to/css/file.css"...
+    - [invalid_property_declaration]: property - Unknown property "bordr-top-style" (line 3, column 5 to line 3, column 27)
+    - [unclosed_token]: block - Unclosed "block" detected (line 1, column 23 to line 6, column 2)
+ => Failure: CSS file "/path/to/css/file.css" is invalid CSS.
 ```
 
 # Helping Project
diff --git a/src/CssLint/Referential/Standard/PropertiesReferential.php b/src/CssLint/Referential/Standard/PropertiesReferential.php
index 4974a43..a1fa3a6 100644
--- a/src/CssLint/Referential/Standard/PropertiesReferential.php
+++ b/src/CssLint/Referential/Standard/PropertiesReferential.php
@@ -163,6 +163,23 @@ class PropertiesReferential extends AbstractReferential
         'container-type' => true,
         'content' => true,
         'content-visibility' => true,
+        'corner-block-end-shape' => true,
+        'corner-block-start-shape' => true,
+        'corner-bottom-left-shape' => true,
+        'corner-bottom-right-shape' => true,
+        'corner-bottom-shape' => true,
+        'corner-end-end-shape' => true,
+        'corner-end-start-shape' => true,
+        'corner-inline-end-shape' => true,
+        'corner-inline-start-shape' => true,
+        'corner-left-shape' => true,
+        'corner-right-shape' => true,
+        'corner-shape' => true,
+        'corner-start-end-shape' => true,
+        'corner-start-start-shape' => true,
+        'corner-top-left-shape' => true,
+        'corner-top-right-shape' => true,
+        'corner-top-shape' => true,
         'counter-increment' => true,
         'counter-reset' => true,
         'counter-set' => true,