Clean up change-package-repository.md

Author: windsonsea

content/en/docs/tasks/administer-cluster/kubeadm/change-package-repository.md

@@ -14,12 +14,12 @@ there's a dedicated package repository for each Kubernetes minor version.
 ## {{% heading "prerequisites" %}}
 
 This document assumes that you're already using the Kubernetes community-owned
-package repositories. If that's not the case, it's strongly recommend to migrate
+package repositories. If that's not the case, it's strongly recommended to migrate
 to the Kubernetes package repositories.
 
 ### Verifying if the Kubernetes package repositories are used
 
-If you're unsure if you're using the Kubernetes package repositories or the
+If you're unsure whether you're using the Kubernetes package repositories or the
 Google-hosted repository, take the following steps to verify:
 
 {{< tabs name="k8s_install_versions" >}}
@@ -39,7 +39,7 @@ deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io
 ```
 
 **You're using the Kubernetes package repositories and this guide applies to you.**
-Otherwise, it's strongly recommend to migrate to the Kubernetes package repositories.
+Otherwise, it's strongly recommended to migrate to the Kubernetes package repositories.
 
 {{% /tab %}}
 {{% tab name="CentOS, RHEL or Fedora" %}}
@@ -51,7 +51,7 @@ Print the contents of the file that defines the Kubernetes `yum` repository:
 cat /etc/yum.repos.d/kubernetes.repo
 ```
 
-If you see `baseurl` similar to the `baseurl` in the output below:
+If you see a `baseurl` similar to the `baseurl` in the output below:
 
 ```
 [kubernetes]
@@ -64,7 +64,7 @@ exclude=kubelet kubeadm kubectl
 ```
 
 **You're using the Kubernetes package repositories and this guide applies to you.**
-Otherwise, it's strongly recommend to migrate to the Kubernetes package repositories.
+Otherwise, it's strongly recommended to migrate to the Kubernetes package repositories.
 
 {{% /tab %}}
 {{< /tabs >}}
@@ -76,7 +76,6 @@ it can also be one of:
 - `pkgs.k8s.io`
 - `pkgs.kubernetes.io`
 - `packages.kubernetes.io`
-- `packages.kubernetes.io`
 {{</ note >}}
 
 <!-- steps -->
@@ -92,62 +91,62 @@ version.
 
 1. Open the file that defines the Kubernetes `apt` repository using a text editor of your choice:
 
-```shell
-nano /etc/apt/sources.list.d/kubernetes.list
-```
+   ```shell
+   nano /etc/apt/sources.list.d/kubernetes.list
+   ```
 
-You should see a single line with the URL that contains your current Kubernetes
-minor version. For example, if you're using v{{< skew currentVersionAddMinor -1 "." >}},
-you should see this:
+   You should see a single line with the URL that contains your current Kubernetes
+   minor version. For example, if you're using v{{< skew currentVersionAddMinor -1 "." >}},
+   you should see this:
 
-```
-deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v{{< skew currentVersionAddMinor -1 "." >}}/deb/ /
-```
+   ```
+   deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v{{< skew currentVersionAddMinor -1 "." >}}/deb/ /
+   ```
 
-2. Change the version in the URL to **the next available minor release**, for example:
+1. Change the version in the URL to **the next available minor release**, for example:
 
-```
-deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/{{< param "version" >}}/deb/ /
-```
+   ```
+   deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/{{< param "version" >}}/deb/ /
+   ```
 
-3. Save the file and exit your text editor. Continue following the relevant upgrade instructions.
+1. Save the file and exit your text editor. Continue following the relevant upgrade instructions.
 
 {{% /tab %}}
 {{% tab name="CentOS, RHEL or Fedora" %}}
 
 1. Open the file that defines the Kubernetes `yum` repository using a text editor of your choice:
 
-```shell
-nano /etc/yum.repos.d/kubernetes.repo
-```
-
-You should see a file with two URLs that contain your current Kubernetes
-minor version. For example, if you're using v{{< skew currentVersionAddMinor -1 "." >}},
-you should see this:
-
-```
-[kubernetes]
-name=Kubernetes
-baseurl=https://pkgs.k8s.io/core:/stable:/v{{< skew currentVersionAddMinor -1 "." >}}/rpm/
-enabled=1
-gpgcheck=1
-gpgkey=https://pkgs.k8s.io/core:/stable:/v{{< skew currentVersionAddMinor -1 "." >}}/rpm/repodata/repomd.xml.key
-exclude=kubelet kubeadm kubectl cri-tools kubernetes-cni
-```
-
-2. Change the version in these URLs to **the next available minor release**, for example:
-
-```
-[kubernetes]
-name=Kubernetes
-baseurl=https://pkgs.k8s.io/core:/stable:/v{{< param "version" >}}/rpm/
-enabled=1
-gpgcheck=1
-gpgkey=https://pkgs.k8s.io/core:/stable:/v{{< param "version" >}}/rpm/repodata/repomd.xml.key
-exclude=kubelet kubeadm kubectl cri-tools kubernetes-cni
-```
-
-3. Save the file and exit your text editor. Continue following the relevant upgrade instructions.
+   ```shell
+   nano /etc/yum.repos.d/kubernetes.repo
+   ```
+
+   You should see a file with two URLs that contain your current Kubernetes
+   minor version. For example, if you're using v{{< skew currentVersionAddMinor -1 "." >}},
+   you should see this:
+
+   ```
+   [kubernetes]
+   name=Kubernetes
+   baseurl=https://pkgs.k8s.io/core:/stable:/v{{< skew currentVersionAddMinor -1 "." >}}/rpm/
+   enabled=1
+   gpgcheck=1
+   gpgkey=https://pkgs.k8s.io/core:/stable:/v{{< skew currentVersionAddMinor -1 "." >}}/rpm/repodata/repomd.xml.key
+   exclude=kubelet kubeadm kubectl cri-tools kubernetes-cni
+   ```
+
+1. Change the version in these URLs to **the next available minor release**, for example:
+
+   ```
+   [kubernetes]
+   name=Kubernetes
+   baseurl=https://pkgs.k8s.io/core:/stable:/v{{< param "version" >}}/rpm/
+   enabled=1
+   gpgcheck=1
+   gpgkey=https://pkgs.k8s.io/core:/stable:/v{{< param "version" >}}/rpm/repodata/repomd.xml.key
+   exclude=kubelet kubeadm kubectl cri-tools kubernetes-cni
+   ```
+
+1. Save the file and exit your text editor. Continue following the relevant upgrade instructions.
 
 {{% /tab %}}
 {{< /tabs >}}