diff --git a/internal_use/docs/source/3d-monolayer/3D_Monolayer.md b/internal_use/docs/source/3d-monolayer/3D_Monolayer.md
index 95dde29..ba7f1fa 100644
--- a/internal_use/docs/source/3d-monolayer/3D_Monolayer.md
+++ b/internal_use/docs/source/3d-monolayer/3D_Monolayer.md
@@ -39,7 +39,7 @@ at the following link: <https://bbbc.broadinstitute.org/BBBC034>.
     `^(?P<Plate>.*)_xy(?P<Site>[0-9])_ch(?P<ChannelNumber>[0-9])`
 
     This regular expression will parse the filenames and organize the
-    data.
+    data. We suggest you copy this expression so accidental spelling errors or extra spaces don't affect the metadata extraction
 
 05. Highlight the **NamesAndTypes** module.