feat: add migration for field help text

apis_ontology/migrations/0035_alter_expression_relevant_pages.py

@@ -0,0 +1,22 @@
+# Generated by Django 4.2.10 on 2024-02-08 14:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("apis_ontology", "0034_alter_expression_publication_date_iso"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="expression",
+            name="relevant_pages",
+            field=models.CharField(
+                blank=True,
+                help_text='Eingabe muss im Format "X-Y" erfolgen, z.B. 5-12',
+                null=True,
+                verbose_name="Forschungsrelevante Seiten",
+            ),
+        ),
+    ]