diff --git a/Naas API/Naas_API_Create_Storage.ipynb b/Naas API/Naas_API_Create_Storage.ipynb
index 6abc1e1c58..db7da9f346 100644
--- a/Naas API/Naas_API_Create_Storage.ipynb	
+++ b/Naas API/Naas_API_Create_Storage.ipynb	
@@ -70,7 +70,7 @@
    "id": "0de8d719",
    "metadata": {},
    "source": [
-    "# Input"
+    "## Input"
    ]
   },
   {
diff --git a/Naas API/Naas_API_Create_Storage_Object.ipynb b/Naas API/Naas_API_Create_Storage_Object.ipynb
index 732cb12efe..17e5f9f3b4 100644
--- a/Naas API/Naas_API_Create_Storage_Object.ipynb	
+++ b/Naas API/Naas_API_Create_Storage_Object.ipynb	
@@ -13,7 +13,7 @@
    "id": "90cdfd58-d74b-4ec9-aea8-72fe64903f81",
    "metadata": {},
    "source": [
-    "# Naas API - Create Storage Object\n",
+    "## Naas API - Delete Storage Object\n",
     "<a href=\"https://bit.ly/3JyWIk6\">Give Feedback</a> | <a href=\"https://github.com/jupyter-naas/awesome-notebooks/issues/new?assignees=&labels=bug&template=bug_report.md&title=Naas+API+-+Update+Asset:+Error+short+description\">Bug report</a>"
    ]
   },
@@ -70,7 +70,7 @@
    "id": "0de8d719",
    "metadata": {},
    "source": [
-    "# Input"
+    "## Input"
    ]
   },
   {
diff --git a/Naas API/Naas_API_Delete_Storage.ipynb b/Naas API/Naas_API_Delete_Storage.ipynb
index 390bd90aa6..c2f5593129 100644
--- a/Naas API/Naas_API_Delete_Storage.ipynb	
+++ b/Naas API/Naas_API_Delete_Storage.ipynb	
@@ -70,7 +70,7 @@
    "id": "0de8d719",
    "metadata": {},
    "source": [
-    "# Input"
+    "## Input"
    ]
   },
   {
diff --git a/Naas API/Naas_API_Delete_Storage_Object.ipynb b/Naas API/Naas_API_Delete_Storage_Object.ipynb
index 61157f2e37..b7d859b5c4 100644
--- a/Naas API/Naas_API_Delete_Storage_Object.ipynb	
+++ b/Naas API/Naas_API_Delete_Storage_Object.ipynb	
@@ -70,7 +70,7 @@
    "id": "0de8d719",
    "metadata": {},
    "source": [
-    "# Input"
+    "## Input"
    ]
   },
   {
diff --git a/Naas API/Naas_API_Get_Storage_Object.ipynb b/Naas API/Naas_API_Get_Storage_Object.ipynb
index c96bd45e57..8c0fe9aa0a 100644
--- a/Naas API/Naas_API_Get_Storage_Object.ipynb	
+++ b/Naas API/Naas_API_Get_Storage_Object.ipynb	
@@ -70,7 +70,7 @@
    "id": "0de8d719",
    "metadata": {},
    "source": [
-    "# Input"
+    "## Input"
    ]
   },
   {
diff --git a/Naas API/Naas_API_List_Storage.ipynb b/Naas API/Naas_API_List_Storage.ipynb
index a1fa9d7df2..24dee57058 100644
--- a/Naas API/Naas_API_List_Storage.ipynb	
+++ b/Naas API/Naas_API_List_Storage.ipynb	
@@ -70,7 +70,7 @@
    "id": "0de8d719",
    "metadata": {},
    "source": [
-    "# Input"
+    "## Input"
    ]
   },
   {
diff --git a/Naas API/Naas_API_List_Storage_Object.ipynb b/Naas API/Naas_API_List_Storage_Object.ipynb
index d2c317af77..42620abeee 100644
--- a/Naas API/Naas_API_List_Storage_Object.ipynb	
+++ b/Naas API/Naas_API_List_Storage_Object.ipynb	
@@ -70,7 +70,7 @@
    "id": "0de8d719",
    "metadata": {},
    "source": [
-    "# Input"
+    "## Input"
    ]
   },
   {