diff --git a/content/en/v1/api/subtask_procedures.md b/content/en/v1/api/subtask_procedures.md
index b28ef5b..401957a 100644
--- a/content/en/v1/api/subtask_procedures.md
+++ b/content/en/v1/api/subtask_procedures.md
@@ -12,7 +12,7 @@ createSubtask
 - Purpose: **Create a new subtask**
 - Parameters:
     - **task_id** (integer, required)
-    - **title** (integer, required)
+    - **title** (string, required)
     - **user_id** (int, optional)
     - **time_estimated** (int, optional)
     - **time_spent** (int, optional)
@@ -136,7 +136,7 @@ updateSubtask
 - Parameters:
     - **id** (integer, required)
     - **task_id** (integer, required)
-    - **title** (integer, optional)
+    - **title** (string, optional)
     - **user_id** (integer, optional)
     - **time_estimated** (integer, optional)
     - **time_spent** (integer, optional)