diff --git a/examples/custom-footer.adoc b/examples/custom-footer.adoc
index 3223589..730a549 100644
--- a/examples/custom-footer.adoc
+++ b/examples/custom-footer.adoc
@@ -1 +1 @@
-Custom footer !!
\ No newline at end of file
+== Custom footer !!
\ No newline at end of file
diff --git a/examples/custom-header.adoc b/examples/custom-header.adoc
index 5d9e72f..fbe83e7 100644
--- a/examples/custom-header.adoc
+++ b/examples/custom-header.adoc
@@ -1 +1 @@
-Custom header !!
\ No newline at end of file
+== Custom header !!
\ No newline at end of file
diff --git a/jbang-catalog-document-generator-core/src/main/resources/templates/adoc/footer.adoc.hbs b/jbang-catalog-document-generator-core/src/main/resources/templates/adoc/footer.adoc.hbs
index 1bd1ff6..dfa0f30 100644
--- a/jbang-catalog-document-generator-core/src/main/resources/templates/adoc/footer.adoc.hbs
+++ b/jbang-catalog-document-generator-core/src/main/resources/templates/adoc/footer.adoc.hbs
@@ -1,5 +1,5 @@
 {{#if customContent.customFooterContent~}}
-{{customContent.customFooterContent}}
+{{{customContent.customFooterContent}}}
 {{/if~}}
 
 {{#if customization.includeGenerationDate ~}}
diff --git a/jbang-catalog-document-generator-core/src/main/resources/templates/adoc/header.adoc.hbs b/jbang-catalog-document-generator-core/src/main/resources/templates/adoc/header.adoc.hbs
index 89dcd60..4d22511 100644
--- a/jbang-catalog-document-generator-core/src/main/resources/templates/adoc/header.adoc.hbs
+++ b/jbang-catalog-document-generator-core/src/main/resources/templates/adoc/header.adoc.hbs
@@ -1,5 +1,5 @@
 {{~#if description}}= {{description}} {{/if~}}
 {{> templates/adoc/toc.adoc}}
 {{#if customContent.customHeaderContent~}}
-{{customContent.customHeaderContent}}
+{{{customContent.customHeaderContent}}}
 {{/if~}}
\ No newline at end of file
diff --git a/jbang-catalog-document-generator-core/src/main/resources/templates/md/footer.md.hbs b/jbang-catalog-document-generator-core/src/main/resources/templates/md/footer.md.hbs
index 1bd1ff6..dfa0f30 100644
--- a/jbang-catalog-document-generator-core/src/main/resources/templates/md/footer.md.hbs
+++ b/jbang-catalog-document-generator-core/src/main/resources/templates/md/footer.md.hbs
@@ -1,5 +1,5 @@
 {{#if customContent.customFooterContent~}}
-{{customContent.customFooterContent}}
+{{{customContent.customFooterContent}}}
 {{/if~}}
 
 {{#if customization.includeGenerationDate ~}}
diff --git a/jbang-catalog-document-generator-core/src/main/resources/templates/md/header.md.hbs b/jbang-catalog-document-generator-core/src/main/resources/templates/md/header.md.hbs
index bd9eaec..b3e36f6 100644
--- a/jbang-catalog-document-generator-core/src/main/resources/templates/md/header.md.hbs
+++ b/jbang-catalog-document-generator-core/src/main/resources/templates/md/header.md.hbs
@@ -1,5 +1,5 @@
 {{~#if description}}# {{description}} {{/if~}}
 {{> templates/md/toc.md}}
 {{#if customContent.customHeaderContent~}}
-{{customContent.customHeaderContent}}
+{{{customContent.customHeaderContent}}}
 {{/if~}}
\ No newline at end of file