Use "prior to" instead of "older than"

docs/install/freebsd.md

@@ -12,7 +12,7 @@ describes some of the most common problems with GitLab Runner.
 CAUTION: **Important:**
 If you are using or upgrading from a version prior to GitLab Runner 10, read how
 to [upgrade to the new version](#upgrading-to-gitlab-runner-10). If you want
-to install a version older than GitLab Runner 10, [visit the old docs](old.md).
+to install a version prior to GitLab Runner 10, [visit the old docs](old.md).
 
 ## Installing GitLab Runner
 
@@ -137,7 +137,7 @@ Here are the steps to install and configure GitLab Runner under FreeBSD:
 
 ## Upgrading to GitLab Runner 10
 
-To upgrade GitLab Runner from a version older than 10.0:
+To upgrade GitLab Runner from a version prior to 10.0:
 
 1. Stop the Runner:
 

docs/install/linux-manually.md

@@ -15,7 +15,7 @@ some of the most common problems with GitLab Runner.
 
 CAUTION: **Important:**
 With GitLab Runner 10, the executable was renamed to `gitlab-runner`. If you
-want to install a version older than GitLab Runner 10, [visit the old docs](old.md).
+want to install a version prior to GitLab Runner 10, [visit the old docs](old.md).
 
 1. Simply download one of the binaries for your system:
 

docs/install/linux-repository.md

@@ -38,7 +38,7 @@ using the Runner. [Read how to install Docker for your distribution](https://doc
 CAUTION: **Important:**
 If you are using or upgrading from a version prior to GitLab Runner 10, read how
 to [upgrade to the new version](#upgrading-to-gitlab-runner-10). If you want
-to install a version older than GitLab Runner 10, [visit the old docs](old.md).
+to install a version prior to GitLab Runner 10, [visit the old docs](old.md).
 
 To install the Runner:
 
@@ -124,7 +124,7 @@ You can manually download the packages from the following URL:
 
 ## Upgrading to GitLab Runner 10
 
-To upgrade GitLab Runner from a version older than 10.0:
+To upgrade GitLab Runner from a version prior to 10.0:
 
 1. Remove the old repository:
 

docs/install/old.md

@@ -15,7 +15,7 @@ repository [was renamed as well](https://packages.gitlab.com/runner/gitlab-runne
 
 ## Using the Linux repository
 
-For versions **older than 10.0**, the repository URLs are:
+For versions **prior to 10.0**, the repository URLs are:
 
 ```bash
 # For Debian/Ubuntu

docs/install/osx.md

@@ -11,7 +11,7 @@ download the macOS binary.
 
 CAUTION: **Important:**
 With GitLab Runner 10, the executable was renamed to `gitlab-runner`. If you
-want to install a version older than GitLab Runner 10, [visit the old docs](old.md).
+want to install a version prior to GitLab Runner 10, [visit the old docs](old.md).
 
 1. Download the binary for your system:
 

docs/install/windows.md

@@ -13,7 +13,7 @@ To install and run GitLab Runner on Windows you need:
 
 CAUTION: **Important:**
 With GitLab Runner 10, the executable was renamed to `gitlab-runner`. If you
-want to install a version older than GitLab Runner 10, [visit the old docs](old.md).
+want to install a version prior to GitLab Runner 10, [visit the old docs](old.md).
 
 1. Create a folder somewhere in your system, ex.: `C:\GitLab-Runner`.
 1. Download the binary for [x86][]  or [amd64][] and put it into the folder you