engine/install: sync some wording between distros

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

content/manuals/engine/install/centos.md

@@ -36,9 +36,11 @@ default. If you have disabled it, you need to re-enable it.
 
 ### Uninstall old versions
 
-Older versions of Docker went by `docker` or `docker-engine`.
-Uninstall any such older versions before attempting to install a new version,
-along with associated dependencies.
+Before you can install Docker Engine, you need to uninstall any conflicting packages.
+
+Your Linux distribution may provide unofficial Docker packages, which may conflict
+with the official packages provided by Docker. You must uninstall these packages
+before you install the official version of Docker Engine.
 
 ```console
 $ sudo dnf remove docker \
@@ -91,7 +93,7 @@ $ sudo dnf config-manager --add-repo {{% param "download-url-base" %}}/docker-ce
 
 #### Install Docker Engine
 
-1. Install Docker Engine, containerd, and Docker Compose:
+1. Install the Docker packages.
 
    {{< tabs >}}
    {{< tab name="Latest" >}}
@@ -152,8 +154,7 @@ $ sudo dnf config-manager --add-repo {{% param "download-url-base" %}}/docker-ce
    boot your system. If you don't want Docker to start automatically, use `sudo
    systemctl start docker` instead.
 
-3. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+3. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world
@@ -202,8 +203,7 @@ download a new file each time you want to upgrade Docker Engine.
    boot your system. If you don't want Docker to start automatically, use `sudo
    systemctl start docker` instead.
 
-4. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+4. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world

content/manuals/engine/install/debian.md

@@ -52,9 +52,9 @@ and ppc64le (ppc64el) architectures.
 
 Before you can install Docker Engine, you need to uninstall any conflicting packages.
 
-Distro maintainers provide unofficial distributions of Docker packages in
-their repositories. You must uninstall these packages before you can install the
-official version of Docker Engine.
+Your Linux distribution may provide unofficial Docker packages, which may conflict
+with the official packages provided by Docker. You must uninstall these packages
+before you install the official version of Docker Engine.
 
 The unofficial packages to uninstall are:
 
@@ -170,8 +170,7 @@ Docker from the repository.
    {{< /tab >}}
    {{< /tabs >}}
 
-3. Verify that the installation is successful by running the `hello-world`
-   image:
+3. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world
@@ -226,8 +225,7 @@ download a new file each time you want to upgrade Docker Engine.
 
    The Docker daemon starts automatically.
 
-6. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image:
+6. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo service docker start

content/manuals/engine/install/fedora.md

@@ -31,9 +31,11 @@ Fedora versions:
 
 ### Uninstall old versions
 
-Older versions of Docker went by `docker` or `docker-engine`.
-Uninstall any such older versions before attempting to install a new version,
-along with associated dependencies.
+Before you can install Docker Engine, you need to uninstall any conflicting packages.
+
+Your Linux distribution may provide unofficial Docker packages, which may conflict
+with the official packages provided by Docker. You must uninstall these packages
+before you install the official version of Docker Engine.
 
 ```console
 $ sudo dnf remove docker \
@@ -88,7 +90,7 @@ $ sudo dnf-3 config-manager --add-repo {{% param "download-url-base" %}}/docker-
 
 #### Install Docker Engine
 
-1. Install Docker Engine, containerd, and Docker Compose:
+1. Install the Docker packages.
 
    {{< tabs >}}
    {{< tab name="Latest" >}}
@@ -149,8 +151,7 @@ $ sudo dnf-3 config-manager --add-repo {{% param "download-url-base" %}}/docker-
    boot your system. If you don't want Docker to start automatically, use `sudo
    systemctl start docker` instead.
 
-3. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+3. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world
@@ -199,8 +200,7 @@ download a new file each time you want to upgrade Docker Engine.
    boot your system. If you don't want Docker to start automatically, use `sudo
    systemctl start docker` instead.
 
-4. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+4. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world

content/manuals/engine/install/raspberry-pi-os.md

@@ -53,9 +53,9 @@ To install Docker Engine, you need one of the following OS versions:
 
 Before you can install Docker Engine, you need to uninstall any conflicting packages.
 
-Distro maintainers provide an unofficial distributions of Docker packages in
-APT. You must uninstall these packages before you can install the official
-version of Docker Engine.
+Your Linux distribution may provide unofficial Docker packages, which may conflict
+with the official packages provided by Docker. You must uninstall these packages
+before you install the official version of Docker Engine.
 
 The unofficial packages to uninstall are:
 
@@ -158,8 +158,7 @@ Docker from the repository.
    {{< /tab >}}
    {{< /tabs >}}
 
-3. Verify that the installation is successful by running the `hello-world`
-   image:
+3. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world
@@ -214,8 +213,7 @@ download a new file each time you want to upgrade Docker Engine.
 
    The Docker daemon starts automatically.
 
-6. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image:
+6. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo service docker start

content/manuals/engine/install/rhel.md

@@ -34,10 +34,11 @@ RHEL versions:
 
 ### Uninstall old versions
 
-Older versions of Docker went by `docker` or `docker-engine`.
-Uninstall any such older versions before attempting to install a new version,
-along with associated dependencies. Also uninstall `Podman` and the associated
-dependencies if installed already:
+Before you can install Docker Engine, you need to uninstall any conflicting packages.
+
+Your Linux distribution may provide unofficial Docker packages, which may conflict
+with the official packages provided by Docker. You must uninstall these packages
+before you install the official version of Docker Engine.
 
 ```console
 $ sudo dnf remove docker \
@@ -92,7 +93,7 @@ $ sudo dnf config-manager --add-repo {{% param "download-url-base" %}}/docker-ce
 
 #### Install Docker Engine
 
-1. Install Docker Engine, containerd, and Docker Compose:
+1. Install the Docker packages.
 
    {{< tabs >}}
    {{< tab name="Latest" >}}
@@ -153,8 +154,7 @@ $ sudo dnf config-manager --add-repo {{% param "download-url-base" %}}/docker-ce
    boot your system. If you don't want Docker to start automatically, use `sudo
    systemctl start docker` instead.
 
-3. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+3. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world
@@ -219,8 +219,7 @@ download a new file each time you want to upgrade Docker Engine.
    boot your system. If you don't want Docker to start automatically, use `sudo
    systemctl start docker` instead.
 
-7. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+7. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world

content/manuals/engine/install/sles.md

@@ -58,9 +58,11 @@ $ sudo zypper addrepo $opensuse_repo
 
 ### Uninstall old versions
 
-Older versions of Docker went by `docker` or `docker-engine`.
-Uninstall any such older versions before attempting to install a new version,
-along with associated dependencies.
+Before you can install Docker Engine, you need to uninstall any conflicting packages.
+
+Your Linux distribution may provide unofficial Docker packages, which may conflict
+with the official packages provided by Docker. You must uninstall these packages
+before you install the official version of Docker Engine.
 
 ```console
 $ sudo zypper remove docker \
@@ -112,7 +114,7 @@ $ sudo zypper addrepo {{% param "download-url-base" %}}/docker-ce.repo
 
 #### Install Docker Engine
 
-1. Install Docker Engine, containerd, and Docker Compose:
+1. Install the Docker packages.
 
    {{< tabs >}}
    {{< tab name="Latest" >}}
@@ -172,8 +174,7 @@ $ sudo zypper addrepo {{% param "download-url-base" %}}/docker-ce.repo
    boot your system. If you don't want Docker to start automatically, use `sudo
    systemctl start docker` instead.
 
-3. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+3. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world
@@ -222,8 +223,7 @@ download a new file each time you want to upgrade Docker Engine.
    boot your system. If you don't want Docker to start automatically, use `sudo
    systemctl start docker` instead.
 
-4. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+4. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world

content/manuals/engine/install/ubuntu.md

@@ -62,9 +62,9 @@ s390x, and ppc64le (ppc64el) architectures.
 
 Before you can install Docker Engine, you need to uninstall any conflicting packages.
 
-Distro maintainers provide unofficial distributions of Docker packages in
-APT. You must uninstall these packages before you can install the official
-version of Docker Engine.
+Your Linux distribution may provide unofficial Docker packages, which may conflict
+with the official packages provided by Docker. You must uninstall these packages
+before you install the official version of Docker Engine.
 
 The unofficial packages to uninstall are:
 
@@ -111,7 +111,7 @@ You can install Docker Engine in different ways, depending on your needs:
 ### Install using the `apt` repository {#install-using-the-repository}
 
 Before you install Docker Engine for the first time on a new host machine, you
-need to set up the Docker repository. Afterward, you can install and update
+need to set up the Docker `apt` repository. Afterward, you can install and update
 Docker from the repository.
 
 1. Set up Docker's `apt` repository.
@@ -173,8 +173,7 @@ Docker from the repository.
    {{< /tab >}}
    {{< /tabs >}}
 
-3. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+3. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo docker run hello-world
@@ -229,8 +228,7 @@ download a new file each time you want to upgrade Docker Engine.
 
    The Docker daemon starts automatically.
 
-6. Verify that the Docker Engine installation is successful by running the
-   `hello-world` image.
+6. Verify that the installation is successful by running the `hello-world` image:
 
    ```console
    $ sudo service docker start