diff --git a/cs-engine/1.13/index.md b/cs-engine/1.13/index.md
index 84d34595cf..20f11a1330 100644
--- a/cs-engine/1.13/index.md
+++ b/cs-engine/1.13/index.md
@@ -48,9 +48,10 @@ to update its RHEL kernel.
     $ sudo rpm --import "https://sks-keyservers.net/pks/lookup?op=get&search=0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e"
     ```
 
-    Note: if the key server above does not respond, you can try one of these:
-       - pgp.mit.edu
-       - keyserver.ubuntu.com
+    > **Note:** If the key server above does not respond, you can try one of these:
+    >
+    >   - pgp.mit.edu
+    >   - keyserver.ubuntu.com
 
 2.  Install yum-utils if necessary:
 
@@ -155,9 +156,10 @@ to update its RHEL kernel.
     $ curl -fsSL 'https://sks-keyservers.net/pks/lookup?op=get&search=0xee6d536cf7dc86e2d7d56f59a178ac6c6238f52e' | sudo apt-key add -
     ```
 
-    Note: if the key server above does not respond, you can try one of these:
-       - pgp.mit.edu
-       - keyserver.ubuntu.com
+    > **Note:** If the key server above does not respond, you can try one of these:
+    >
+    >   - pgp.mit.edu
+    >   - keyserver.ubuntu.com
 
 3.  Add the repository. In the  command below, the `lsb_release -cs` sub-command
     returns the name of your Ubuntu version, like `xenial` or `trusty`.
@@ -235,9 +237,10 @@ to update its RHEL kernel.
     This adds the repository of the latest version of CS Docker Engine. You can
     customize the URL to install an older version.
 
-    Note: if the key server above does not respond, you can try one of these:
-       - pgp.mit.edu
-       - keyserver.ubuntu.com
+    > **Note:** If the key server above does not respond, you can try one of these:
+    >
+    >   - pgp.mit.edu
+    >   - keyserver.ubuntu.com
 
 3.  Install CS Docker Engine.