diff --git a/definitions/EiffelActivityCanceledEvent/1.0.0.yml b/definitions/EiffelActivityCanceledEvent/1.0.0.yml
index 3bc9fbbc..e007f8b1 100644
--- a/definitions/EiffelActivityCanceledEvent/1.0.0.yml
+++ b/definitions/EiffelActivityCanceledEvent/1.0.0.yml
@@ -44,7 +44,7 @@ required:
   - meta
   - data
   - links
-additonalProperties: false
+additionalProperties: false
 _links:
   ACTIVITY_EXECUTION:
     description: Declares the activity execution that was canceled.
diff --git a/definitions/EiffelActivityCanceledEvent/1.1.0.yml b/definitions/EiffelActivityCanceledEvent/1.1.0.yml
index 5e025367..4b04b45f 100644
--- a/definitions/EiffelActivityCanceledEvent/1.1.0.yml
+++ b/definitions/EiffelActivityCanceledEvent/1.1.0.yml
@@ -44,7 +44,7 @@ required:
   - meta
   - data
   - links
-additonalProperties: false
+additionalProperties: false
 _links:
   ACTIVITY_EXECUTION:
     description: Declares the activity execution that was canceled.
diff --git a/definitions/EiffelActivityCanceledEvent/2.0.0.yml b/definitions/EiffelActivityCanceledEvent/2.0.0.yml
index a1b10ee3..a0caf5a6 100644
--- a/definitions/EiffelActivityCanceledEvent/2.0.0.yml
+++ b/definitions/EiffelActivityCanceledEvent/2.0.0.yml
@@ -44,7 +44,7 @@ required:
   - meta
   - data
   - links
-additonalProperties: false
+additionalProperties: false
 _links:
   ACTIVITY_EXECUTION:
     description: Declares the activity execution that was canceled.
diff --git a/definitions/EiffelActivityCanceledEvent/3.0.0.yml b/definitions/EiffelActivityCanceledEvent/3.0.0.yml
index 1e0e9304..34f83791 100644
--- a/definitions/EiffelActivityCanceledEvent/3.0.0.yml
+++ b/definitions/EiffelActivityCanceledEvent/3.0.0.yml
@@ -44,7 +44,7 @@ required:
   - meta
   - data
   - links
-additonalProperties: false
+additionalProperties: false
 _links:
   ACTIVITY_EXECUTION:
     description: Declares the activity execution that was canceled.
diff --git a/definitions/EiffelActivityCanceledEvent/3.1.0.yml b/definitions/EiffelActivityCanceledEvent/3.1.0.yml
index f6ab2bce..33d81396 100644
--- a/definitions/EiffelActivityCanceledEvent/3.1.0.yml
+++ b/definitions/EiffelActivityCanceledEvent/3.1.0.yml
@@ -44,7 +44,7 @@ required:
   - meta
   - data
   - links
-additonalProperties: false
+additionalProperties: false
 _links:
   ACTIVITY_EXECUTION:
     description: Declares the activity execution that was canceled.
diff --git a/definitions/EiffelActivityCanceledEvent/3.2.0.yml b/definitions/EiffelActivityCanceledEvent/3.2.0.yml
index a94fd492..1c73daeb 100644
--- a/definitions/EiffelActivityCanceledEvent/3.2.0.yml
+++ b/definitions/EiffelActivityCanceledEvent/3.2.0.yml
@@ -44,7 +44,7 @@ required:
   - meta
   - data
   - links
-additonalProperties: false
+additionalProperties: false
 _links:
   ACTIVITY_EXECUTION:
     description: Declares the activity execution that was canceled.
diff --git a/schemas/EiffelActivityCanceledEvent/1.0.0.json b/schemas/EiffelActivityCanceledEvent/1.0.0.json
index b0419e70..81c7b761 100644
--- a/schemas/EiffelActivityCanceledEvent/1.0.0.json
+++ b/schemas/EiffelActivityCanceledEvent/1.0.0.json
@@ -152,5 +152,5 @@
     "data",
     "links"
   ],
-  "additonalProperties": false
+  "additionalProperties": false
 }
diff --git a/schemas/EiffelActivityCanceledEvent/1.1.0.json b/schemas/EiffelActivityCanceledEvent/1.1.0.json
index 08e1d241..bc00332a 100644
--- a/schemas/EiffelActivityCanceledEvent/1.1.0.json
+++ b/schemas/EiffelActivityCanceledEvent/1.1.0.json
@@ -152,5 +152,5 @@
     "data",
     "links"
   ],
-  "additonalProperties": false
+  "additionalProperties": false
 }
diff --git a/schemas/EiffelActivityCanceledEvent/2.0.0.json b/schemas/EiffelActivityCanceledEvent/2.0.0.json
index 7c8e2810..7f559237 100644
--- a/schemas/EiffelActivityCanceledEvent/2.0.0.json
+++ b/schemas/EiffelActivityCanceledEvent/2.0.0.json
@@ -136,5 +136,5 @@
     "data",
     "links"
   ],
-  "additonalProperties": false
+  "additionalProperties": false
 }
diff --git a/schemas/EiffelActivityCanceledEvent/3.0.0.json b/schemas/EiffelActivityCanceledEvent/3.0.0.json
index edf01ca0..1911de6a 100644
--- a/schemas/EiffelActivityCanceledEvent/3.0.0.json
+++ b/schemas/EiffelActivityCanceledEvent/3.0.0.json
@@ -178,5 +178,5 @@
     "data",
     "links"
   ],
-  "additonalProperties": false
+  "additionalProperties": false
 }
diff --git a/schemas/EiffelActivityCanceledEvent/3.1.0.json b/schemas/EiffelActivityCanceledEvent/3.1.0.json
index 6e8f25e8..a6a4ddc1 100644
--- a/schemas/EiffelActivityCanceledEvent/3.1.0.json
+++ b/schemas/EiffelActivityCanceledEvent/3.1.0.json
@@ -181,5 +181,5 @@
     "data",
     "links"
   ],
-  "additonalProperties": false
+  "additionalProperties": false
 }
diff --git a/schemas/EiffelActivityCanceledEvent/3.2.0.json b/schemas/EiffelActivityCanceledEvent/3.2.0.json
index cb4655c2..7993f7e1 100644
--- a/schemas/EiffelActivityCanceledEvent/3.2.0.json
+++ b/schemas/EiffelActivityCanceledEvent/3.2.0.json
@@ -184,5 +184,5 @@
     "data",
     "links"
   ],
-  "additonalProperties": false
+  "additionalProperties": false
 }