diff --git a/docs/cli-reference.rst b/docs/cli-reference.rst
index e0d4fc5..18207c8 100644
--- a/docs/cli-reference.rst
+++ b/docs/cli-reference.rst
@@ -1479,7 +1479,7 @@ See :ref:`cli_spatialite`.
       paths. To load it from a specific path, use --load-extension.
 
     Options:
-      -t, --type [POINT|LINESTRING|POLYGON|MULTIPOINT|MULTILINESTRING|MULTIPOLYGON|GEOMETRYCOLLECTION|GEOMETRY]
+      -t, --type [point|linestring|polygon|multipoint|multilinestring|multipolygon|geometrycollection|geometry]
                                       Specify a geometry type for this column.
                                       [default: GEOMETRY]
       --srid INTEGER                  Spatial Reference ID. See
diff --git a/sqlite_utils/cli.py b/sqlite_utils/cli.py
index 6086ba9..6b7ebd9 100644
--- a/sqlite_utils/cli.py
+++ b/sqlite_utils/cli.py
@@ -3071,14 +3071,14 @@ def convert(
     "geometry_type",
     type=click.Choice(
         [
-            "POINT",
-            "LINESTRING",
-            "POLYGON",
-            "MULTIPOINT",
-            "MULTILINESTRING",
-            "MULTIPOLYGON",
-            "GEOMETRYCOLLECTION",
-            "GEOMETRY",
+            "point",
+            "linestring",
+            "polygon",
+            "multipoint",
+            "multilinestring",
+            "multipolygon",
+            "geometrycollection",
+            "geometry",
         ],
         case_sensitive=False,
     ),