diff --git a/lib/stdlib/test/shell_docs_SUITE_data/kernel_file_io_device_0_type.txt b/lib/stdlib/test/shell_docs_SUITE_data/kernel_file_io_device_0_type.txt
index fffadfd522d6..df625e062e04 100644
--- a/lib/stdlib/test/shell_docs_SUITE_data/kernel_file_io_device_0_type.txt
+++ b/lib/stdlib/test/shell_docs_SUITE_data/kernel_file_io_device_0_type.txt
@@ -1,5 +1,7 @@
 
-  -type io_device() :: pid() | fd().
+  -type io_device() :: io_server() | fd().
 
-  As returned by open/2; pid/0 is a process handling
-  I/O-protocols.
+  An IO device as returned by open/2.
+
+  io_server/0 is returned by default and fd/0 is returned if the 
+  raw option is given.
diff --git a/lib/stdlib/test/shell_docs_SUITE_data/kernel_file_type.txt b/lib/stdlib/test/shell_docs_SUITE_data/kernel_file_type.txt
index 7e3e626be038..d01090775772 100644
--- a/lib/stdlib/test/shell_docs_SUITE_data/kernel_file_type.txt
+++ b/lib/stdlib/test/shell_docs_SUITE_data/kernel_file_type.txt
@@ -53,7 +53,9 @@ These types are documented in this module:
             {eof, Offset :: integer()} |
             bof | cur | eof.
 
-  -type io_device() :: pid() | fd().
+  -type io_device() :: io_server() | fd().
+
+  -type io_server() :: pid().
 
   -type fd() :: file_descriptor().