diff --git a/standard_schema/prerelease/HED8.3.0.mediawiki b/standard_schema/prerelease/HED8.3.0.mediawiki
index 01f00f26..a1a44b33 100644
--- a/standard_schema/prerelease/HED8.3.0.mediawiki
+++ b/standard_schema/prerelease/HED8.3.0.mediawiki
@@ -352,6 +352,7 @@ Each term in this vocabulary has a human-readable description and may include ad
 ******* LED-display <nowiki>{hedId=HED_0012315} [A LED display is a flat panel display that uses an array of light-emitting diodes as pixels for a video display.]</nowiki>
 ***** Recording-device <nowiki>{hedId=HED_0012316} [A device that copies information in a signal into a persistent information bearer.]</nowiki>
 ****** EEG-recorder <nowiki>{hedId=HED_0012317} [A device for recording electric currents in the brain using electrodes applied to the scalp, to the surface of the brain, or placed within the substance of the brain.]</nowiki>
+****** EMG-recorder <nowiki> [A device for recording electrical activity of muscles using electrodes on the body surface or within the muscular mass.]</nowiki>
 ****** File-storage <nowiki>{hedId=HED_0012318} [A device for recording digital information to a permanent media.]</nowiki>
 ****** MEG-recorder <nowiki>{hedId=HED_0012319} [A device for measuring the magnetic fields produced by electrical activity in the brain, usually conducted externally.]</nowiki>
 ****** Motion-capture <nowiki>{hedId=HED_0012320} [A device for recording the movement of objects or people.]</nowiki>