diff --git a/Activity/examples/example-normalized.jsonld b/Activity/examples/example-normalized.jsonld
index 56339bc..53cc65c 100644
--- a/Activity/examples/example-normalized.jsonld
+++ b/Activity/examples/example-normalized.jsonld
@@ -29,7 +29,6 @@
         "object": "urn:ngsi-ld:Target:Office1"
     },
     "@context": [
-        "https://uri.etsi.org/ngsi-ld/v1/ngsi-ld-core-context.jsonld",
         "https://raw.githubusercontent.com/smart-data-models/dataModel.User/master/context.jsonld"
     ]
 }
diff --git a/CONTRIBUTORS.yaml b/CONTRIBUTORS.yaml
index a531474..702fedf 100644
--- a/CONTRIBUTORS.yaml
+++ b/CONTRIBUTORS.yaml
@@ -1,23 +1,23 @@
 description: This is a compilation list of all CONTRIBUTORS across different objects (data models) alphabetically ordered. All fields are non mandatory
 contributors:
-- name: Jose M.
-  surname: Cantera
-  mail: jmcanterafonseca4github@gmail.com
-  organization: CanteraFonseca.EU
-  project: 
-  comments: 
-  year: 2022
-- name: Dmitrii
-  surname: Demin
-  mail: mail@demin.co
-  organization: 
-  project: 
-  comments: 
-  year: 2022
-- name: Jason
-  surname: Fox
-  mail: 
-  organization: FIWARE Foundation
-  project: 
-  comments: 
-  year: 2022
+  - name: Jose M.
+    surname: Cantera
+    mail: jmcanterafonseca4github@gmail.com
+    organization: CanteraFonseca.EU
+    project:
+    comments:
+    year: 2022
+  - name: Dmitrii
+    surname: Demin
+    mail: mail@demin.co
+    organization:
+    project:
+    comments:
+    year: 2022
+  - name: Jason
+    surname: Fox
+    mail:
+    organization: FIWARE Foundation
+    project:
+    comments:
+    year: 2022
diff --git a/UserContext/examples/example-normalized.jsonld b/UserContext/examples/example-normalized.jsonld
index bdc820f..8a7a804 100644
--- a/UserContext/examples/example-normalized.jsonld
+++ b/UserContext/examples/example-normalized.jsonld
@@ -24,7 +24,6 @@
         "object": "urn:ngsi-ld:UserDevice:Device1"
     },
     "@context": [
-        "https://uri.etsi.org/ngsi-ld/v1/ngsi-ld-core-context.jsonld",
         "https://raw.githubusercontent.com/smart-data-models/dataModel.User/master/context.jsonld"
     ]
 }