diff --git a/.changeset/weak-pots-know.md b/.changeset/weak-pots-know.md
new file mode 100644
index 00000000000..89d2c88b4a8
--- /dev/null
+++ b/.changeset/weak-pots-know.md
@@ -0,0 +1,5 @@
+---
+"@smithy/experimental-identity-and-auth": patch
+---
+
+Fix typo in `HttpAuthScheme` not enabled message in `httpAuthSchemeMiddleware`.
diff --git a/packages/experimental-identity-and-auth/src/middleware-http-auth-scheme/httpAuthSchemeMiddleware.ts b/packages/experimental-identity-and-auth/src/middleware-http-auth-scheme/httpAuthSchemeMiddleware.ts
index 62239ee29d9..0fd0f53a103 100644
--- a/packages/experimental-identity-and-auth/src/middleware-http-auth-scheme/httpAuthSchemeMiddleware.ts
+++ b/packages/experimental-identity-and-auth/src/middleware-http-auth-scheme/httpAuthSchemeMiddleware.ts
@@ -84,7 +84,7 @@ export const httpAuthSchemeMiddleware = <
   for (const option of options) {
     const scheme = authSchemes.get(option.schemeId);
     if (!scheme) {
-      failureReasons.push(`HttpAuthScheme \`${option.schemeId}\` was not enable for this service.`);
+      failureReasons.push(`HttpAuthScheme \`${option.schemeId}\` was not enabled for this service.`);
       continue;
     }
     const identityProvider = scheme.identityProvider(config.identityProviderConfig);