docs: 2.9.2 to 2.9.y

Author: smoe

docs/src/getting-started/updating-linuxcnc.adoc

@@ -19,9 +19,8 @@ updates. If you don't have an internet connection to your PC see
 
 == Upgrade to the new version
 
-This section describes how to upgrade LinuxCNC from version 2.8 to the
-new 2.9.2 version.  It assumes that you have an existing 2.8 install that you
-want to update.
+This section describes how to upgrade LinuxCNC from version 2.8.x to a 2.9.y version.
+It assumes that you have an existing 2.8 install that you want to update.
 
 To upgrade LinuxCNC from a version older than 2.8, you have to first
 https://linuxcnc.org/docs/2.8/html/getting-started/updating-linuxcnc.html[upgrade your old install to 2.8],
@@ -40,8 +39,8 @@ If you are running on Ubuntu Lucid then you will have to do this, as
 Lucid is no longer supported by LinuxCNC (it was EOL in 2013).
 
 To upgrade major versions like 2.8 to 2.9 when you have a network connection at
-the machine you need to disable the old linuxcnc.org apt sources in the file /etc/apt/sources.list and add a new
-linuxcnc.org apt source for 2.9, then upgrade LinuxCNC.
+the machine you need to disable the old linuxcnc.org apt sources in the file /etc/apt/sources.list
+and add a new linuxcnc.org apt source for 2.9, then upgrade LinuxCNC.
 
 The details will depend on which platform you're running on.  Open a
 <<faq:terminal,terminal>> then type `lsb_release -ic` to find this information
@@ -54,7 +53,7 @@ Codename:       Buster
 ----
 
 You should be running on Debian Buster, Bullseye or Bookworm or Ubuntu
-20.04 "Focal Fossa" or newer. LinuxCNC 2.9.x will not run on older distributions
+20.04 "Focal Fossa" or newer. LinuxCNC 2.9.y will not run on older distributions
 than these. 
 
 You will also need to check which realtime kernel is being used:
@@ -215,10 +214,9 @@ correspondingly needs to change from `libcanterp.so` to `canterp.so`.
 
 
 
-== Updating Configuration Files (for 2.9.x)
+== Updating Configuration Files (for 2.9.y)
 
-No changes should be necessary to configuration files when moving from 2.8
-to 2.9
+No changes should be necessary to configuration files when moving from 2.8.x to 2.9.y.
 
 === Spindle limits in the INI