Apply suggestions from @davidlehn code review

Co-Authored-By: David I. Lehn <dil@lehn.org>

Author: gkellogg

CHANGELOG.md

@@ -13,8 +13,8 @@
 - `@vocab` can be relative or a Compact IRI in 1.1, resolved against either a previous `@vocab`,
   `@base` or document base.
 - Better checking of absolute IRIs.
-- Terms that beggining with a ':' are not considered absolute or compact IRIs.
-- Don't use terms with `@prefix`: false, or expanded term definitions to construct compact IRIs.
+- Terms that begin with a ':' are not considered absolute or compact IRIs.
+- Don't use terms with `"@prefix": false` or expanded term definitions to construct compact IRIs.
 
 ### Removed
 - **BREAKING**: Remove callback API support. This includes removing support

lib/compact.js

@@ -829,7 +829,7 @@ api.compactIri = ({
   for(const [term, td] of activeCtx.mappings) {
     if(td && td._prefix && iri.startsWith(term + ':')) {
       throw new JsonLdError(
-        (`Absolute IRI "${iri}" confused with prefix "${term}".`),
+        `Absolute IRI "${iri}" confused with prefix "${term}".`,
         'jsonld.SyntaxError',
         {code: 'IRI confused with prefix', context: activeCtx});
     }