diff --git a/design/construct-tree.md b/design/construct-tree.md
index 9c9c44c327f74..9771ee6f9cd21 100644
--- a/design/construct-tree.md
+++ b/design/construct-tree.md
@@ -16,7 +16,7 @@ ALL CDK applications are composed of constructs, which are the basic building bl
 
 A construct can represent a single resource, such as an Amazon Simple Storage Service (Amazon S3) bucket, or it can represent a higher-level component consisting of multiple AWS CDK resources. Examples of such components include a worker queue with its associated compute capacity, a cron job with monitoring resources and a dashboard, or even an entire app spanning multiple AWS accounts and regions.
 
-The CDK CLI is the primary mechanism through which developers currently interact with their AWS CDK applications. It supports various operations throughout the lifecycle of application development from from the initialization of a CDK app from a template to the deployment and destruction of the AWS CloudFormation stacks.
+The CDK CLI is the primary mechanism through which developers currently interact with their AWS CDK applications. It supports various operations throughout the lifecycle of application development from the initialization of a CDK app from a template to the deployment and destruction of the AWS CloudFormation stacks.
 
 ## Motivation
 
diff --git a/packages/@aws-cdk/aws-lambda/lib/function.ts b/packages/@aws-cdk/aws-lambda/lib/function.ts
index 8bc6704c1321d..8e52a80bf0e32 100644
--- a/packages/@aws-cdk/aws-lambda/lib/function.ts
+++ b/packages/@aws-cdk/aws-lambda/lib/function.ts
@@ -336,7 +336,7 @@ export interface FunctionProps extends FunctionOptions {
 }
 
 /**
- * Deploys a file from from inside the construct library as a function.
+ * Deploys a file from inside the construct library as a function.
  *
  * The supplied file is subject to the 4096 bytes limit of being embedded in a
  * CloudFormation template.