Minor updates to standard schema prerelease for ontology.

standard_schema/prerelease/HED8.3.0.mediawiki

@@ -1333,7 +1333,7 @@ Each term in this vocabulary has a human-readable description and may include ad
 * conversionFactor <nowiki>{unitDomain, unitModifierDomain, numericRange}[The factor to multiply these units or unit modifiers by to convert to default units.]</nowiki>
 * defaultUnits <nowiki>{unitClassDomain, unitRange}[The default units to use if the placeholder has a unit class but the substituted value has no units.]</nowiki>
 * deprecatedFrom <nowiki>{elementDomain, stringRange}[The latest schema version in which the element was not deprecated.]</nowiki>
-* extensionAllowed <nowiki>{tagDomain, boolRange}[Users can add unlimited levels of child nodes under this tag. This tag is propagated to child nodes with the exception of the hashtag placeholders.]</nowiki>
+* extensionAllowed <nowiki>{tagDomain, boolRange}[Users can add unlimited levels of child nodes under this tag. This tag is propagated to child nodes except for hashtag placeholders.]</nowiki>
 * hedId <nowiki>{annotationProperty, elementDomain, stringRange}[The unique identifier of this element in the HED namespace.]</nowiki>
 * inLibrary <nowiki>{elementDomain, stringRange} [The named library schema that this schema element is from. This attribute is added by tools when a library schema is merged into its partnered standard schema.]</nowiki>
 * relatedTag <nowiki>{tagDomain, tagRange}[A HED tag that is closely related to this tag. This attribute is used by tagging tools.]</nowiki>