diff --git a/README_RGB.md b/README_RGB.md
index 2081c57..87131e7 100644
--- a/README_RGB.md
+++ b/README_RGB.md
@@ -23,6 +23,8 @@ Individual files (interim data products) are located under subdirectories. Filen
 
 `VIS\_\<Data_Type\>\_\<POT_BARCODE\>\_\<Time_In\>\_<RGB|FLUO\>\-\<View\>\-\<Ang\>\-\<Img_Product\>\_\<Exp_No\>\_\<Treatment\>\_\<Time_Out\>.{png|csv}`
 
+`VIS_<Data_Type>_<POT_BARCODE>_<Time_In>_<RGB|FLUO>-<View>-<Ang>-<Img_Product>_<Exp_No>_<Treatment>_<Time_Out>.{png|csv}`
+
 example: VIS_V_2401323_240226103000057_RGB-SideSmall-30-MES_394_SandSoybeanHigh_240226105925431.png
 
 - VIS