diff --git a/packages/apidom-ls/src/config/common/schema/lint/type--equals-openapi-3-1--asyncapi-2.ts b/packages/apidom-ls/src/config/common/schema/lint/type--equals-openapi-3-1--asyncapi-2.ts
index 7224e8c7a2..81519316a9 100644
--- a/packages/apidom-ls/src/config/common/schema/lint/type--equals-openapi-3-1--asyncapi-2.ts
+++ b/packages/apidom-ls/src/config/common/schema/lint/type--equals-openapi-3-1--asyncapi-2.ts
@@ -9,7 +9,8 @@ import { OpenAPI31 } from '../../../openapi/target-specs.ts';
 const typeEqualsOpenAPI3_1__AsyncAPI2Lint: LinterMeta = {
   code: ApilintCodes.SCHEMA_TYPE,
   source: 'apilint',
-  message: 'type must be one of allowed values',
+  message:
+    'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
   severity: DiagnosticSeverity.Error,
   linterFunction: 'apilintValueOrArray',
   linterParams: [['null', 'boolean', 'object', 'array', 'number', 'string', 'integer'], true],
diff --git a/packages/apidom-ls/src/config/common/schema/lint/type--equals.ts b/packages/apidom-ls/src/config/common/schema/lint/type--equals.ts
index 77c8d00b33..860ca742bf 100644
--- a/packages/apidom-ls/src/config/common/schema/lint/type--equals.ts
+++ b/packages/apidom-ls/src/config/common/schema/lint/type--equals.ts
@@ -7,7 +7,8 @@ import { OpenAPI2, OpenAPI30 } from '../../../openapi/target-specs.ts';
 const typeEqualsLint: LinterMeta = {
   code: ApilintCodes.SCHEMA_TYPE,
   source: 'apilint',
-  message: 'type must be one of allowed values',
+  message:
+    'should be equal to one of the allowed values allowedValues: array, boolean, integer, number, object, string',
   severity: DiagnosticSeverity.Error,
   linterFunction: 'apilintValueOrArray',
   linterParams: [['boolean', 'object', 'array', 'number', 'string', 'integer']],
diff --git a/packages/apidom-ls/test/fixtures/expected/apidom-ls-async/sample-api-async-validation-2.0.0.json b/packages/apidom-ls/test/fixtures/expected/apidom-ls-async/sample-api-async-validation-2.0.0.json
index 74f2407b71..3f13415f29 100644
--- a/packages/apidom-ls/test/fixtures/expected/apidom-ls-async/sample-api-async-validation-2.0.0.json
+++ b/packages/apidom-ls/test/fixtures/expected/apidom-ls-async/sample-api-async-validation-2.0.0.json
@@ -68,7 +68,7 @@
         "character": 29
       }
     },
-    "message": "type must be one of allowed values",
+    "message": "should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null",
     "severity": 1,
     "code": 10001,
     "source": "apilint",
@@ -77,51 +77,37 @@
         {
           "message": "update to 'null'",
           "action": "updateValue",
-          "functionParams": [
-            "null"
-          ]
+          "functionParams": ["null"]
         },
         {
           "message": "update to 'boolean'",
           "action": "updateValue",
-          "functionParams": [
-            "boolean"
-          ]
+          "functionParams": ["boolean"]
         },
         {
           "message": "update to 'object'",
           "action": "updateValue",
-          "functionParams": [
-            "object"
-          ]
+          "functionParams": ["object"]
         },
         {
           "message": "update to 'array'",
           "action": "updateValue",
-          "functionParams": [
-            "array"
-          ]
+          "functionParams": ["array"]
         },
         {
           "message": "update to 'number'",
           "action": "updateValue",
-          "functionParams": [
-            "null"
-          ]
+          "functionParams": ["null"]
         },
         {
           "message": "update to 'string'",
           "action": "updateValue",
-          "functionParams": [
-            "string"
-          ]
+          "functionParams": ["string"]
         },
         {
           "message": "update to 'integer'",
           "action": "updateValue",
-          "functionParams": [
-            "integer"
-          ]
+          "functionParams": ["integer"]
         }
       ]
     }
diff --git a/packages/apidom-ls/test/validate.ts b/packages/apidom-ls/test/validate.ts
index 397cbb5363..f13245bd27 100644
--- a/packages/apidom-ls/test/validate.ts
+++ b/packages/apidom-ls/test/validate.ts
@@ -288,7 +288,8 @@ describe('apidom-ls-validate', function () {
             character: 35,
           },
         },
-        message: 'type must be one of allowed values',
+        message:
+          'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
         severity: 1,
         code: 10001,
         source: 'apilint',
@@ -407,7 +408,8 @@ describe('apidom-ls-validate', function () {
             character: 29,
           },
         },
-        message: 'type must be one of allowed values',
+        message:
+          'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
         severity: 1,
         code: 10001,
         source: 'apilint',
@@ -525,7 +527,8 @@ describe('apidom-ls-validate', function () {
             character: 23,
           },
         },
-        message: 'type must be one of allowed values',
+        message:
+          'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
         severity: 1,
         code: 10001,
         source: 'apilint',
@@ -857,7 +860,8 @@ describe('apidom-ls-validate', function () {
             character: 35,
           },
         },
-        message: 'type must be one of allowed values',
+        message:
+          'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
         severity: 1,
         code: 10001,
         source: 'apilint',
@@ -1061,7 +1065,8 @@ describe('apidom-ls-validate', function () {
             character: 23,
           },
         },
-        message: 'type must be one of allowed values',
+        message:
+          'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
         severity: 1,
         code: 10001,
         source: 'apilint',
@@ -1198,7 +1203,8 @@ describe('apidom-ls-validate', function () {
             character: 23,
           },
         },
-        message: 'type must be one of allowed values',
+        message:
+          'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
         severity: 1,
         code: 10001,
         source: 'apilint',
@@ -1462,7 +1468,8 @@ describe('apidom-ls-validate', function () {
             character: 23,
           },
         },
-        message: 'type must be one of allowed values',
+        message:
+          'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
         severity: 1,
         code: 10001,
         source: 'apilint',
@@ -1628,7 +1635,8 @@ describe('apidom-ls-validate', function () {
                 character: 23,
               },
             },
-            message: 'type must be one of allowed values',
+            message:
+              'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
             severity: 1,
             code: 10001,
             source: 'apilint',
@@ -1708,7 +1716,8 @@ describe('apidom-ls-validate', function () {
                 character: 23,
               },
             },
-            message: 'type must be one of allowed values',
+            message:
+              'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
             severity: 1,
             code: 10001,
             source: 'apilint',
@@ -1788,7 +1797,8 @@ describe('apidom-ls-validate', function () {
                 character: 23,
               },
             },
-            message: 'type must be one of allowed values',
+            message:
+              'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
             severity: 1,
             code: 10001,
             source: 'apilint',
@@ -1868,7 +1878,8 @@ describe('apidom-ls-validate', function () {
                 character: 23,
               },
             },
-            message: 'type must be one of allowed values',
+            message:
+              'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
             severity: 1,
             code: 10001,
             source: 'apilint',
@@ -1948,7 +1959,8 @@ describe('apidom-ls-validate', function () {
                 character: 23,
               },
             },
-            message: 'type must be one of allowed values',
+            message:
+              'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
             severity: 1,
             code: 10001,
             source: 'apilint',
@@ -2028,7 +2040,8 @@ describe('apidom-ls-validate', function () {
                 character: 23,
               },
             },
-            message: 'type must be one of allowed values',
+            message:
+              'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
             severity: 1,
             code: 10001,
             source: 'apilint',
@@ -2108,7 +2121,8 @@ describe('apidom-ls-validate', function () {
                 character: 23,
               },
             },
-            message: 'type must be one of allowed values',
+            message:
+              'should be equal to one of the allowed values allowedValues: boolean, object, array, number, string, integer, null',
             severity: 1,
             code: 10001,
             source: 'apilint',