diff --git a/content/day1/01_product-thinking.md b/content/day1/01_product-thinking.md
index 912f7ef..811b17a 100644
--- a/content/day1/01_product-thinking.md
+++ b/content/day1/01_product-thinking.md
@@ -1,5 +1,5 @@
 ---
-title: Product Thinking for Cloud Native Engineers
+title: "Product Thinking for Cloud Native Engineers"
 weight: 1
 tags:
  - platform
diff --git a/content/day1/02_ai-native.md b/content/day1/02_ai-native.md
index e26feb3..0fbf13e 100644
--- a/content/day1/02_ai-native.md
+++ b/content/day1/02_ai-native.md
@@ -1,5 +1,5 @@
 ---
-title: AI-Native: The Next Revolution after Cloud Native
+title: "AI-Native: The Next Revolution after Cloud Native"
 weight: 2
 tags:
 - ai
diff --git a/content/day1/03_grundschutz.md b/content/day1/03_grundschutz.md
index 4a9995f..05b4860 100644
--- a/content/day1/03_grundschutz.md
+++ b/content/day1/03_grundschutz.md
@@ -1,5 +1,5 @@
 ---
-title: IT-Grundschutz trifft Kubernetes: Praxisnahe Umsetzung sicherheitsrelevanter Anforderungen
+title: "IT-Grundschutz trifft Kubernetes: Praxisnahe Umsetzung sicherheitsrelevanter Anforderungen"
 weight: 3
 tags:
  - security
diff --git a/content/day1/04_ocm.md b/content/day1/04_ocm.md
index e0ddfc8..f452a69 100644
--- a/content/day1/04_ocm.md
+++ b/content/day1/04_ocm.md
@@ -1,5 +1,5 @@
 ---
-title: OCM: Rethinking Software Delivery with a Secure and Standardized Approach
+title: "OCM: Rethinking Software Delivery with a Secure and Standardized Approach"
 weight: 4
 tags:
  - security