diff --git a/_includes/reference-block.html b/_includes/reference-block.html
index 9c73c18b61ed..3220dfa1bde7 100644
--- a/_includes/reference-block.html
+++ b/_includes/reference-block.html
@@ -54,6 +54,8 @@
{% endif %}
{% elsif obj[1].valType == "info_array" %}
({array}
)
+ {% elsif obj[1].valType == "color" %}
+ ({{ obj[1].valType }}{% if obj[1].arrayOk %} or array of {{ obj[1].valType }}s{% endif %}
)
{% elsif obj[1].valType == "any" %}
(number or categorical coordinate string
)
{% elsif obj[1].valType == "string" %}