diff --git a/src/guides/v2.3/extension-dev-guide/security/content-security-policies.md b/src/guides/v2.3/extension-dev-guide/security/content-security-policies.md
index fbf62108811..ab6a9128f22 100644
--- a/src/guides/v2.3/extension-dev-guide/security/content-security-policies.md
+++ b/src/guides/v2.3/extension-dev-guide/security/content-security-policies.md
@@ -121,7 +121,7 @@ adding a `csp_whitelist.xml` to your custom module's `etc` folder.
 
 ```xml
 <?xml version="1.0"?>
-<csp_whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Csp/etc/csp_whitelist.xsd">
+<csp_whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Csp:etc/csp_whitelist.xsd">
     <policies>
         <policy id="script-src">
             <values>
@@ -206,7 +206,7 @@ Add the corresponding policy to a `csp_whitelist.xml` file:
 
 ```xml
 <?xml version="1.0"?>
-<csp_whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Csp/etc/csp_whitelist.xsd">
+<csp_whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Csp:etc/csp_whitelist.xsd">
     <policies>
         <policy id="script-src">
             <values>