diff --git a/Tools/environment_install/install-prereqs-ubuntu.sh b/Tools/environment_install/install-prereqs-ubuntu.sh
index 1c194328014268..7d151401bdbb3b 100755
--- a/Tools/environment_install/install-prereqs-ubuntu.sh
+++ b/Tools/environment_install/install-prereqs-ubuntu.sh
@@ -83,7 +83,7 @@ PYTHON_V="python3"  # starting from ubuntu 20.04, python isn't symlink to defaul
 PIP=pip3
 
 if [ ${RELEASE_CODENAME} == 'bionic' ] ; then
-    echo "ArduPilot no longer supports developing on this deprecated operating system."
+    echo "ArduPilot no longer supports developing on this operating system that has reached end of standard support."
     exit 1
 elif [ ${RELEASE_CODENAME} == 'bookworm' ]; then
     SITLFML_VERSION="2.5"