diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index 03fe2d31c..fa8e2ade8 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -1,6 +1,6 @@
 # Development
 
-This doc explains how to setup a development environment so you can get started
+This doc explains how to set up a development environment so you can get started
 [contributing](https://www.knative.dev/contributing/) to `Knative Client`.
 Also take a look at:
 
@@ -16,7 +16,7 @@ Before submitting a PR, see also [contribution guide](https://www.knative.dev/co
 
 ### Sign up for GitHub
 
-Start by creating [a GitHub account](https://github.com/join), then setup
+Start by creating [a GitHub account](https://github.com/join), then set up
 [GitHub access via SSH](https://help.github.com/articles/connecting-to-github-with-ssh/).
 
 ### Install requirements
@@ -31,7 +31,7 @@ You must install these tools:
 
 ### Create a cluster
 
-1. [Set up a Knative](https://www.knative.dev/docs/install/), You can also setup using limited install guides like [Minikube](https://knative.dev/docs/install/knative-with-minikube/) or [Minishift](https://knative.dev/docs/install/knative-with-minishift/).
+1. [Set up a Knative](https://www.knative.dev/docs/install/), You can also set up using limited install guides like [Minikube](https://knative.dev/docs/install/knative-with-minikube/) or [Minishift](https://knative.dev/docs/install/knative-with-minishift/).
 
 ### Checkout your fork
 
@@ -55,7 +55,7 @@ described below.
 
 ## Building Knative Client
 
-Once you've [setup your development environment](#prerequisites), let's build
+Once you've [set up your development environment](#prerequisites), let's build
 `Knative Client`.
 
 **Dependencies:**
@@ -79,7 +79,7 @@ You can link that script into a directory within your search `$PATH`. This allow
 
 See `build.sh --help` for a full list of options and usage examples.
 
-At the end, the build results in `kn` binary in your current directory, which can be directly executed.
+In the end, the build results in `kn` binary in your current directory, which can be directly executed.
 
 **Notes:**
 
diff --git a/README.md b/README.md
index a0e1a5292..ddc3f4e9f 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Goals:
 
 # Docs
 
-Start with the [user's guide](docs/README.md) and from there you can can read about common use cases, get detail docs on each command, and even how to extend the `kn` CLI. Links below for easy access.
+Start with the [user's guide](docs/README.md) and from there you can read about common use cases, get detail docs on each command, and even how to extend the `kn` CLI. Links below for easy access.
 
 * [User's guide](docs/README.md)
 * [Basic workflows](docs/workflows.md) (use cases)