diff --git a/src/java/org/apache/poi/ss/util/BorderPropertyTemplate.java b/src/java/org/apache/poi/ss/util/BorderPropertyTemplate.java
index 77dd857c1..140e9b0c4 100644
--- a/src/java/org/apache/poi/ss/util/BorderPropertyTemplate.java
+++ b/src/java/org/apache/poi/ss/util/BorderPropertyTemplate.java
@@ -184,7 +184,7 @@ public final class BorderPropertyTemplate {
      * Data types:
      *   _propertyTemplate as {A1: property map}
      *   property map as {property key : property value}
-     *   property key as String, one of CellUtil.BORDER_* or CellUtil.*_BORDER_COLOR
+     *   property key as String as (border direction as CellUtil.BORDER_*) or (border color as CellUtil.*_BORDER_COLOR)
      *   property value as (border line style as BorderStyle) or (color as short)
      */
     private final Map<CellAddress, Map<String, Object>> _propertyTemplate;