diff --git a/include/core/SkColorTable.h b/include/core/SkColorTable.h
index d6b3c210f5..d31ddbd643 100644
--- a/include/core/SkColorTable.h
+++ b/include/core/SkColorTable.h
@@ -26,6 +26,8 @@ class SK_API SkColorTable : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(SkColorTable)
 
+    /** Copy up to 256 colors into a new SkColorTable.
+     */
     SkColorTable(const SkPMColor colors[], int count);
     virtual ~SkColorTable();