Fix incorrect reference to NameCheck in script docstring

Signed-off-by: Yuto Takano <yuto.takano@arm.com>
diff --git a/tests/scripts/list_internal_identifiers.py b/tests/scripts/list_internal_identifiers.py
index 64a4c35..822486a 100755
--- a/tests/scripts/list_internal_identifiers.py
+++ b/tests/scripts/list_internal_identifiers.py
@@ -22,9 +22,9 @@
 exclusion file list for ABI/API checking, since we do not promise compatibility
 for them.
 
-It uses the NameCeck class from check_names.py to perform the parsing.
+It uses the CodeParser class from check_names.py to perform the parsing.
 
-Returns 0 on success, 1 if there is a script error.
+The script returns 0 on success, 1 if there is a script error.
 Must be run from Mbed TLS root.
 """
 
@@ -40,7 +40,7 @@
         description=(
             "This script writes a list of parsed identifiers in internal "
             "headers to \"_identifiers\". This is useful for generating a list "
-            "of names to exclude from ABI checking. "))
+            "of names to exclude from API/ABI compatibility checking. "))
 
     parser.parse_args()