diff --git a/share/openPMD/json_schema/check.py b/share/openPMD/json_schema/check.py
index 90be12f99b..07f76b6ce0 100755
--- a/share/openPMD/json_schema/check.py
+++ b/share/openPMD/json_schema/check.py
@@ -23,8 +23,8 @@ def parse_args(program_name):
 schema consists of several JSON files and this script ensures that
 cross-referencing is set up correctly.
 
-Note that the JSON schema is shipped in form of .toml files for ease of reading,
-maintenance and documentation.
+Note that the JSON schema is shipped in form of .toml files for ease
+of reading, maintenance and documentation.
 In order to perform a check, the .toml files need to be converted to .json
 first.
 The openPMD-api install a tool openpmd-convert-json-toml for this purpose.
@@ -40,8 +40,9 @@ def parse_args(program_name):
     parser.add_argument(
         '--schema_root',
         default=script_path / 'series.json',
-        help=
-        'The .json file describing the root file of the schema to validate against.'
+        help="""\
+The .json file describing the root file of the schema to validate against.
+"""
     )
     parser.add_argument('openpmd_file',
                         metavar='file',