diff --git a/common/changes/@autorest/modelerfour/typo-ambiguous_2021-04-19-15-58.json b/common/changes/@autorest/modelerfour/typo-ambiguous_2021-04-19-15-58.json
new file mode 100644
index 000000000..3b7ac667a
--- /dev/null
+++ b/common/changes/@autorest/modelerfour/typo-ambiguous_2021-04-19-15-58.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "@autorest/modelerfour",
+      "comment": "**Typo** Ambigious -> Ambiguous ",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@autorest/modelerfour",
+  "email": "tiguerin@microsoft.com"
+}
\ No newline at end of file
diff --git a/packages/extensions/modelerfour/src/modeler/modelerfour.ts b/packages/extensions/modelerfour/src/modeler/modelerfour.ts
index 1e07ee9fc..709f82f5a 100644
--- a/packages/extensions/modelerfour/src/modeler/modelerfour.ts
+++ b/packages/extensions/modelerfour/src/modeler/modelerfour.ts
@@ -639,7 +639,7 @@ export class ModelerFour {
       case undefined:
         if (length(schema.enum) > 0 && values(schema.enum).all((each) => typeof each === "string")) {
           this.session.warning(
-            `The enum schema '${schema?.["x-ms-metadata"]?.name}' with an undefined type and enum values is ambigious. This has been auto-corrected to 'type:string'`,
+            `The enum schema '${schema?.["x-ms-metadata"]?.name}' with an undefined type and enum values is ambiguous. This has been auto-corrected to 'type:string'`,
             ["Modeler", "MissingType"],
             schema,
           );
@@ -1066,7 +1066,7 @@ export class ModelerFour {
           this.session.warning(
             `The schema '${
               schema?.["x-ms-metadata"]?.name || name
-            }' with an undefined type and declared properties is a bit ambigious. This has been auto-corrected to 'type:object'`,
+            }' with an undefined type and declared properties is a bit ambiguous. This has been auto-corrected to 'type:object'`,
             ["Modeler", "MissingType"],
             schema,
           );
@@ -1080,7 +1080,7 @@ export class ModelerFour {
           this.session.warning(
             `The schema '${
               schema?.["x-ms-metadata"]?.name || name
-            }' with an undefined type and additionalProperties is a bit ambigious. This has been auto-corrected to 'type:object'`,
+            }' with an undefined type and additionalProperties is a bit ambiguous. This has been auto-corrected to 'type:object'`,
             ["Modeler"],
             schema,
           );
@@ -1094,7 +1094,7 @@ export class ModelerFour {
           this.session.warning(
             `The schema '${
               schema?.["x-ms-metadata"]?.name || name
-            }' with an undefined type and 'allOf'/'anyOf'/'oneOf' is a bit ambigious. This has been auto-corrected to 'type:object'`,
+            }' with an undefined type and 'allOf'/'anyOf'/'oneOf' is a bit ambiguous. This has been auto-corrected to 'type:object'`,
             ["Modeler", "MissingType"],
             schema,
           );
diff --git a/packages/extensions/modelerfour/src/quality-precheck/prechecker.ts b/packages/extensions/modelerfour/src/quality-precheck/prechecker.ts
index 962a41bd3..1869c8b58 100644
--- a/packages/extensions/modelerfour/src/quality-precheck/prechecker.ts
+++ b/packages/extensions/modelerfour/src/quality-precheck/prechecker.ts
@@ -428,7 +428,7 @@ export class QualityPreChecker {
             this.session.warning(
               `The schema '${
                 schema?.["x-ms-metadata"]?.name || name
-              }' with an undefined type and declared properties is a bit ambigious. This has been auto-corrected to 'type:object'`,
+              }' with an undefined type and declared properties is a bit ambiguous. This has been auto-corrected to 'type:object'`,
               ["PreCheck", "SchemaMissingType"],
               schema,
             );
@@ -441,7 +441,7 @@ export class QualityPreChecker {
             this.session.warning(
               `The schema '${
                 schema?.["x-ms-metadata"]?.name || name
-              }' with an undefined type and additionalProperties is a bit ambigious. This has been auto-corrected to 'type:object'`,
+              }' with an undefined type and additionalProperties is a bit ambiguous. This has been auto-corrected to 'type:object'`,
               ["PreCheck", "SchemaMissingType"],
               schema,
             );
@@ -455,7 +455,7 @@ export class QualityPreChecker {
             this.session.warning(
               `The schema '${
                 schema?.["x-ms-metadata"]?.name || name
-              }' with an undefined type and 'allOf'/'anyOf'/'oneOf' is a bit ambigious. This has been auto-corrected to 'type:object'`,
+              }' with an undefined type and 'allOf'/'anyOf'/'oneOf' is a bit ambiguous. This has been auto-corrected to 'type:object'`,
               ["PreCheck", "SchemaMissingType"],
               schema,
             );