diff --git a/doc/manuals/orion-api.md b/doc/manuals/orion-api.md
index 242895a2d2..671606686b 100644
--- a/doc/manuals/orion-api.md
+++ b/doc/manuals/orion-api.md
@@ -2818,7 +2818,7 @@ _**Response code**_
 * Successful operation uses 200 OK
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response headers**_
 
@@ -2912,7 +2912,7 @@ _**Response code**_
 * Successful operation uses 200 OK
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response headers**_
 
@@ -3029,7 +3029,7 @@ _**Response code**_
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity (see next subsection)
   * 422 Unprocessable Content for existing attributes when `append` options is used (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response payload**_
 
@@ -3129,7 +3129,7 @@ _**Response code**_
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity (see next subsection)
   * 422 Unprocessable Content for non existing attributes (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response payload**_
 
@@ -3227,7 +3227,7 @@ _**Response code**_
 * Successful operation uses 204 No Content
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response payload**_
 
@@ -3270,7 +3270,7 @@ _**Response code**_
 * Successful operation uses 204 No Content
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response payload**_
 
@@ -3408,7 +3408,7 @@ _**Response code**_
 * Successful operation uses 204 No Content
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity or not found attribute (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response payload**_
 
@@ -3461,7 +3461,7 @@ _**Response code**_
 * Successful operation uses 204 No Content
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity or not found attribute (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response payload**_
 
@@ -3524,7 +3524,7 @@ _**Response code**_
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity or not found attribute (see next subsection)
   * 406 Not Acceptable in the case of not acceptable content (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response headers**_
 
@@ -3642,7 +3642,7 @@ _**Response code**_
 * Successful operation uses 204 No Content
 * Errors use a non-2xx code and error payload:
   * 404 Not Found for not found entity or not found attribute (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response payload**_
 
@@ -4649,7 +4649,7 @@ _**Response code**_
 * Errors use a non-2xx code and error payload:
   * 404 Not Found if none of the entities in the `entities` field exists in `update`, `delete` or `replace` cases (see next subsection)
   * 422 Unprocessable Content for other cases (see next subsection)
-  * Check addicional cases in [Error Responses](#error-responses) general documentation
+  * Check additional cases in [Error Responses](#error-responses) general documentation
 
 _**Response payload**_