diff --git a/Projected-Light-Patterns.md b/Projected-Light-Patterns.md
index db820a7..00c7380 100644
--- a/Projected-Light-Patterns.md
+++ b/Projected-Light-Patterns.md
@@ -2,7 +2,8 @@ Using _Structured Light / Projected Light Patterns_ can drastically improve the
 
 Use projectors or other light sources to produce patterns on your object of interest.
 Capture two images from each perspective. One with the pattern, one without for texturing.
-Use a tripod or camera rig, as both images need to be in the same position. 
+Use a tripod or camera rig, as both images need to be in the same position.
+Do not change / move the light pattern or the object of interest while capturing.
 
 Place the two image sets in different folders and rename the files so both corresponding images have the same file name.