diff --git a/NeoBitmapFile-object-API.md b/NeoBitmapFile-object-API.md
index f72372a..cf7f488 100644
--- a/NeoBitmapFile-object-API.md
+++ b/NeoBitmapFile-object-API.md
@@ -1,4 +1,6 @@
-NeoBitmapFile represents a image container object that retrieves pixels from a bmp file.  The primary use of this class is to contain reference an image from a file and have it rendered to a NeoPixelBus.
+NeoBitmapFile represents a image container object that retrieves pixels from a bmp file.  The primary use of this class is to contain an image meta data and read from a file when it renders it to a NeoPixelBus.  
+
+**[There is a known issue with SPIFSS on ESP8266 and a workaround](https://github.com/Makuna/NeoPixelBus/issues/317)**
 
 ## Constructors