diff --git a/docs/plugins/info.md b/docs/plugins/info.md
index 7bc1da7c9..89d739132 100644
--- a/docs/plugins/info.md
+++ b/docs/plugins/info.md
@@ -1,6 +1,6 @@
 ---
 title: Built-in info plugin
-icon: material/information-outline
+icon: material/folder-information-outline
 ---
 
 # Built-in info plugin
diff --git a/docs/reference/annotations.md b/docs/reference/annotations.md
index 3462786d1..2b57c746f 100644
--- a/docs/reference/annotations.md
+++ b/docs/reference/annotations.md
@@ -1,5 +1,5 @@
 ---
-icon: material/plus-circle-outline
+icon: material/information-outline
 ---
 
 # Annotations
diff --git a/docs/reference/code-blocks.md b/docs/reference/code-blocks.md
index 684bddca3..15e061e61 100644
--- a/docs/reference/code-blocks.md
+++ b/docs/reference/code-blocks.md
@@ -137,7 +137,7 @@ Add the `data-download` attribute to the fence block header to enable download:
 
 === "Blob"
 
-    ```` yaml { data-download="blob" }
+    ```` yaml { hl_lines="1" data-download="blob" }
     ``` yaml { data-download="blob" }
 
     markdown_extensions:
@@ -147,7 +147,7 @@ Add the `data-download` attribute to the fence block header to enable download:
 
 === "Local File"
 
-    ```` yaml { data-download="../assets/mkdocs.yml" }
+    ```` yaml { hl_lines="1" data-download="../assets/mkdocs.yml" }
     ``` yaml { data-download="assets/xxx.yaml" }
 
     markdown_extensions:
@@ -157,7 +157,7 @@ Add the `data-download` attribute to the fence block header to enable download:
 
 === "URL"
 
-    ```` yaml { data-download="https://jaywhj.github.io/mkdocs-materialx/assets/mkdocs.yml" }
+    ```` yaml { hl_lines="1" data-download="https://jaywhj.github.io/mkdocs-materialx/assets/mkdocs.yml" }
     ``` yaml { data-download="https://example.com/xxx.yaml" }  # (1)!
 
     markdown_extensions:
diff --git a/mkdocs.yml b/mkdocs.yml
index d9d7c90a0..6938c0625 100755
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -95,7 +95,7 @@ theme:
   favicon: octicons/milestone-24
   icon:
     logo: logo
-    annotation: material/plus-circle-outline
+    annotation: material/information-outline
   admonition:
     git:
       icon: simple/git