diff --git a/lib/json/ld/preloaded/prefix.rb b/lib/json/ld/preloaded/prefix.rb
index fe86ef1..eae004f 100644
--- a/lib/json/ld/preloaded/prefix.rb
+++ b/lib/json/ld/preloaded/prefix.rb
@@ -1188,7 +1188,7 @@ class JSON::LD::Context
       "lime" => TermDefinition.new("lime", id: "http://www.w3.org/ns/lemon/lime#", simple: true, prefix: true),
       "limo" => TermDefinition.new("limo", id: "http://www.purl.org/limo-ontology/limo#", simple: true, prefix: true),
       "limoo" => TermDefinition.new("limoo", id: "http://purl.org/LiMo/0.1/", simple: true, prefix: true),
-      "lindt" => TermDefinition.new("lindt", id: "https://w3id.org/lindt/voc#", simple: true, prefix: true),
+      "lindt" => TermDefinition.new("lindt", id: "http://purl.org/NET/lindt#", simple: true, prefix: true),
       "ling" => TermDefinition.new("ling", id: "http://purl.org/voc/ling/", simple: true, prefix: true),
       "lingvo" => TermDefinition.new("lingvo", id: "http://www.lingvoj.org/ontology#", simple: true, prefix: true),
       "lingvoj" => TermDefinition.new("lingvoj", id: "http://www.lingvoj.org/ontology#", simple: true, prefix: true),
@@ -1847,6 +1847,7 @@ class JSON::LD::Context
       "quantity" => TermDefinition.new("quantity", id: "http://qudt.org/schema/quantity#", simple: true, prefix: true),
       "qud" => TermDefinition.new("qud", id: "http://qudt.org/1.1/schema/qudt#", simple: true, prefix: true),
       "qudt" => TermDefinition.new("qudt", id: "http://qudt.org/schema/qudt/", simple: true, prefix: true),
+      "quid" => TermDefinition.new("quid", id: "https://w3id.org/quid/", simple: true, prefix: true),
       "quran" => TermDefinition.new("quran", id: "http://khalidaloufi.sa/quran#", simple: true, prefix: true),
       "quty" => TermDefinition.new("quty", id: "http://www.telegraphis.net/ontology/measurement/quantity#", simple: true, prefix: true),
       "qvoc" => TermDefinition.new("qvoc", id: "http://mlode.nlp2rdf.org/quranvocab#", simple: true, prefix: true),
@@ -2442,6 +2443,7 @@ class JSON::LD::Context
       "spc" => TermDefinition.new("spc", id: "http://purl.org/ontomedia/core/space#", simple: true, prefix: true),
       "spcm" => TermDefinition.new("spcm", id: "http://spi-fm.uca.es/spdef/models/deployment/spcm/1.0#", simple: true, prefix: true),
       "spdx" => TermDefinition.new("spdx", id: "http://spdx.org/rdf/terms#", simple: true, prefix: true),
+      "spec" => TermDefinition.new("spec", id: "https://www.w3.org/ns/spec#", simple: true, prefix: true),
       "spfood" => TermDefinition.new("spfood", id: "http://kmi.open.ac.uk/projects/smartproducts/ontologies/food.owl#", simple: true, prefix: true),
       "spif" => TermDefinition.new("spif", id: "http://spinrdf.org/spif#", simple: true, prefix: true),
       "spin" => TermDefinition.new("spin", id: "http://spinrdf.org/spin#", simple: true, prefix: true),
@@ -2722,6 +2724,7 @@ class JSON::LD::Context
       "wai" => TermDefinition.new("wai", id: "http://purl.org/wai#", simple: true, prefix: true),
       "wail" => TermDefinition.new("wail", id: "http://www.eyrie.org/~zednenem/2002/wail/", simple: true, prefix: true),
       "wairole" => TermDefinition.new("wairole", id: "http://www.w3.org/2005/01/wai-rdf/GUIRoleTaxonomy#", simple: true, prefix: true),
+      "walmart" => TermDefinition.new("walmart", id: "https://www.amazon.de/", simple: true, prefix: true),
       "wao" => TermDefinition.new("wao", id: "http://webtlab.it.uc3m.es/2010/10/WebAppsOntology#", simple: true, prefix: true),
       "wapp" => TermDefinition.new("wapp", id: "http://ns.rww.io/wapp#", simple: true, prefix: true),
       "wasa" => TermDefinition.new("wasa", id: "http://vocab.sti2.at/wasa/", simple: true, prefix: true),