diff --git a/python-spec/src/somacore/data.py b/python-spec/src/somacore/data.py
index 4718dc9..5a3cd0c 100644
--- a/python-spec/src/somacore/data.py
+++ b/python-spec/src/somacore/data.py
@@ -68,8 +68,8 @@ def create(
                 A sequence of tuples specifying the domain of each index
                 column. Each tuple must be a pair consisting of the minimum
                 and maximum values storable in the index column. This sequence
-                must have the same length as ``index_column_names``. Use ``None`` for string
-                index columns when the implementation does not support string domains.
+                must have the same length as ``index_column_names``. Use ``None`` for string
+                index columns when the implementation does not support string domains.
             platform_config: platform-specific configuration; keys are SOMA
                 implementation names.