diff --git a/md5sum.txt b/md5sum.txt
index 01eb1f2..15ac0b1 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -4,7 +4,7 @@
 "config.yaml" "3ef23136064fd3627b556860c2d3040f" "site/built/config.yaml" "2024-02-18"
 "index.md" "78d2be0b54fef4ff7252449003cdc44f" "site/built/index.md" "2024-02-18"
 "episodes/before-we-start.md" "1e98940ca00552578a4e3b31e6064999" "site/built/before-we-start.md" "2024-02-18"
-"episodes/scanner-to-computer.md" "afb07321796dd3ade62eecf6b512b912" "site/built/scanner-to-computer.md" "2024-02-28"
+"episodes/scanner-to-computer.md" "4bfdc24a929fe0e133992bb995fdf4d4" "site/built/scanner-to-computer.md" "2024-12-17"
 "episodes/anatomy-of-nifti.md" "ac2a7fc719d8174b6d6274d7973a8d4b" "site/built/anatomy-of-nifti.md" "2024-02-29"
 "episodes/data-organization-bids.md" "0b88931c574033a6adad39c34fc340f9" "site/built/data-organization-bids.md" "2024-02-28"
 "episodes/open-mri-datasets.md" "9025db8aad6a5526209f349b43aa10c0" "site/built/open-mri-datasets.md" "2024-02-28"
diff --git a/scanner-to-computer.md b/scanner-to-computer.md
index 7288312..5228786 100644
--- a/scanner-to-computer.md
+++ b/scanner-to-computer.md
@@ -56,13 +56,18 @@ exercises: 10
 
 ## Neuroimaging file formats
 
-| Format Name | File Extension | Origin                                         | 
-| ----------- | -------------- | ---------------------------------------------- |
-| DICOM       | none           | ACR/NEMA Consortium                            | 
-| Analyze     | .img/.hdr      | Analyze Software, Mayo Clinic                  | 
-| NIfTI       | .nii           | Neuroimaging Informatics Technology Initiative | 
-| MINC        | .mnc           | Montreal Neurological Institute                | 
-| NRRD        | .nrrd          |                                                | 
+<h6 id="fileformats"> Common file formats:</h6>
+
+| Format Name | File Extension | Origin/Group                                  | More info|
+| ----------- | -------------- | --------------------------------------------- |-----------
+| DICOM       | none or `.dc`  | ACR/NEMA Consortium                           |https://www.dicomstandard.org/  |
+| Analyze     | `.img`/`.hdr`   | Analyze Software, Mayo Clinic                 |https://eeg.sourceforge.net/ANALYZE75.pdf|
+| NIfTI       | `.nii`  (or `.nii.gz`) | Neuroimaging Informatics Technology Initiative|https://brainder.org/2012/09/23/the-nifti-file-format/|
+| MINC        | `.mnc`           | Montreal Neurological Institute               |https://www.mcgill.ca/bic/software/minc|
+| NRRD        | `.nrrd`          |                                               |https://teem.sourceforge.net/nrrd/format.html|
+| MGH         |`.mgz`  or `.mgh` (or `.mgh.gz`) | Massachusetts General Hospital|https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/MghFormat|
+
+
 
 From the MRI scanner, images are initially collected in the DICOM format and can be converted to these other formats to make working with the data easier.