diff --git a/example/book.toml b/example/book.toml
index 4228a4b..2fd9e34 100644
--- a/example/book.toml
+++ b/example/book.toml
@@ -64,7 +64,7 @@ giscus.enable = true
 giscus.repo = "MR-Addict/mdbook-embedify"
 giscus.repo-id = "R_kgDOLCxX0Q"
 giscus.category = "General"
-giscus.category-id = "DIC_kwDOLCxX0c4CdGx"
+giscus.category-id = "DIC_kwDOLCxX0c4CdGx-"
 giscus.reactions-enabled = "1"
 giscus.theme = "light"
 giscus.lang = "en"
diff --git a/example/src/third-party/giscus.md b/example/src/third-party/giscus.md
index d8cb08e..0a0b6c6 100644
--- a/example/src/third-party/giscus.md
+++ b/example/src/third-party/giscus.md
@@ -29,7 +29,7 @@ giscus.enable = true
 giscus.repo = "MR-Addict/mdbook-embedify"
 giscus.repo-id = "R_kgDOLCxX0Q"
 giscus.category = "General"
-giscus.category-id = "DIC_kwDOLCxX0c4CdGx"
+giscus.category-id = "DIC_kwDOLCxX0c4CdGx-"
 giscus.reactions-enabled = "1"
 giscus.theme = "light"
 giscus.lang = "en"