diff --git a/packages/aws-cdk-lib/aws-appmesh/lib/tls-certificate.ts b/packages/aws-cdk-lib/aws-appmesh/lib/tls-certificate.ts
index ca391e8fe86cf..ea5db895dad48 100644
--- a/packages/aws-cdk-lib/aws-appmesh/lib/tls-certificate.ts
+++ b/packages/aws-cdk-lib/aws-appmesh/lib/tls-certificate.ts
@@ -52,7 +52,7 @@ export abstract class MutualTlsCertificate extends TlsCertificate {
 }
 
 /**
- * Represents a ACM provided TLS certificate
+ * Represents an ACM provided TLS certificate
  */
 class AcmTlsCertificate extends TlsCertificate {
   /**
diff --git a/packages/aws-cdk-lib/cx-api/FEATURE_FLAGS.md b/packages/aws-cdk-lib/cx-api/FEATURE_FLAGS.md
index fc7546cacd8d9..3784ac9288b12 100644
--- a/packages/aws-cdk-lib/cx-api/FEATURE_FLAGS.md
+++ b/packages/aws-cdk-lib/cx-api/FEATURE_FLAGS.md
@@ -1510,7 +1510,7 @@ When this feature flag is disabled, it will keep the root account principal in t
 
 Flag type: New default behavior
 
-When this feature flag is enabled, remove the default deployment alarm settings when creating a AWS ECS service.
+When this feature flag is enabled, remove the default deployment alarm settings when creating an AWS ECS service.
 
 
 | Since | Unset behaves like | Recommended value |
diff --git a/packages/aws-cdk-lib/cx-api/lib/features.ts b/packages/aws-cdk-lib/cx-api/lib/features.ts
index f4f3f82af0b9a..aff997244b11f 100644
--- a/packages/aws-cdk-lib/cx-api/lib/features.ts
+++ b/packages/aws-cdk-lib/cx-api/lib/features.ts
@@ -1185,7 +1185,7 @@ export const FLAGS: Record<string, FlagInfo> = {
     type: FlagType.ApiDefault,
     summary: 'When enabled, remove default deployment alarm settings',
     detailsMd: `
-      When this feature flag is enabled, remove the default deployment alarm settings when creating a AWS ECS service.
+      When this feature flag is enabled, remove the default deployment alarm settings when creating an AWS ECS service.
     `,
     introducedIn: { v2: '2.143.0' },
     recommendedValue: true,