Change confusing title between Debian package and Debian platform (ros2#3771)

Lecrapouille · web-flow · commit f86ad6e53952 · 2023-07-04T15:08:20.000-04:00
Currently Debian does not offer ROS2 packages. Change the title that can
be confusing.
diff --git a/source/Installation/RHEL-Install-RPMs.rst b/source/Installation/RHEL-Install-RPMs.rst
@@ -1,5 +1,5 @@
-RHEL (RPM)
-==========
+RHEL (RPM packages)
+===================
 
 .. contents:: Table of Contents
    :depth: 2
diff --git a/source/Installation/Ubuntu-Install-Debians.rst b/source/Installation/Ubuntu-Install-Debians.rst
@@ -2,8 +2,8 @@
 
    Installation/Linux-Install-Debians
 
-Ubuntu (Debian)
-===============
+Ubuntu (Debian packages)
+========================
 
 .. contents:: Table of Contents
    :depth: 2
