diff --git a/src/config/io/markdown.ts b/src/config/io/markdown.ts
index c0a9088..409b7f1 100644
--- a/src/config/io/markdown.ts
+++ b/src/config/io/markdown.ts
@@ -165,7 +165,7 @@ const shikiCopyButton: ShikiTransformer = {
         class: "copy-button",
         role: "button",
         "aria-label": "Copy to clipboard",
-        "alia-live": "polite",
+        "aria-live": "polite",
         "data-code": this.source,
         onclick: `
                 navigator.clipboard.writeText(this.dataset.code);
@@ -179,7 +179,7 @@ const shikiCopyButton: ShikiTransformer = {
           "svg",
           {
             class: "copy-icon",
-            role: "icon",
+            "aria-hidden": "true",
             xmlns: "http://www.w3.org/2000/svg",
             width: "1em",
             height: "1em",
@@ -196,7 +196,7 @@ const shikiCopyButton: ShikiTransformer = {
           "svg",
           {
             class: "check-icon",
-            role: "icon",
+            "aria-hidden": "true",
             xmlns: "http://www.w3.org/2000/svg",
             width: "1em",
             height: "1em",