diff --git a/2.1.0/reference.json b/2.1.0/reference.json
index cb5b384..79f4db8 100644
--- a/2.1.0/reference.json
+++ b/2.1.0/reference.json
@@ -1546,7 +1546,8 @@
                 "doc": "Re-position and/or re-size text to avoid overlaps. \"simple\" for basic algorithm (using text-placements string,) \"dummy\" to turn this feature off.",
                 "type": [
                     "dummy",
-                    "simple"
+                    "simple",
+                    "list"
                 ],
                 "default-value": "dummy"
             },
diff --git a/2.1.1/reference.json b/2.1.1/reference.json
index 021095d..7f7f84f 100644
--- a/2.1.1/reference.json
+++ b/2.1.1/reference.json
@@ -1557,7 +1557,8 @@
                 "doc": "Re-position and/or re-size text to avoid overlaps. \"simple\" for basic algorithm (using text-placements string,) \"dummy\" to turn this feature off.",
                 "type": [
                     "dummy",
-                    "simple"
+                    "simple",
+                    "list"
                 ],
                 "default-value": "dummy"
             },
diff --git a/latest/reference.json b/latest/reference.json
index 9f69b07..07a524f 100644
--- a/latest/reference.json
+++ b/latest/reference.json
@@ -980,7 +980,8 @@
                 "doc": "Re-position and/or re-size shield to avoid overlaps. \"simple\" for basic algorithm (using shield-placements string,) \"dummy\" to turn this feature off.",
                 "type": [
                     "dummy",
-                    "simple"
+                    "simple",
+                    "list"
                 ],
                 "default-value": "dummy"
             },
@@ -1691,7 +1692,8 @@
                 "doc": "Re-position and/or re-size text to avoid overlaps. \"simple\" for basic algorithm (using text-placements string,) \"dummy\" to turn this feature off.",
                 "type": [
                     "dummy",
-                    "simple"
+                    "simple",
+                    "list"
                 ],
                 "default-value": "dummy"
             },