diff --git a/c-user/partition_manager.rst b/c-user/partition_manager.rst
index a334883..09dd054 100644
--- a/c-user/partition_manager.rst
+++ b/c-user/partition_manager.rst
@@ -149,8 +149,8 @@ CALLING SEQUENCE:
         rtems_status_code rtems_partition_create(
             rtems_name       name,
             void            *starting_address,
-            uint32_t         length,
-            uint32_t         buffer_size,
+            uintptr_t        length,
+            size_t           buffer_size,
             rtems_attribute  attribute_set,
             rtems_id        *id
         );