* Add information on how to install runtimes

doc/installation.rst

@@ -64,6 +64,12 @@ another prefix than `/usr/local`, give configure use `--prefix` argument
 
    ./support/reconfig
 
+.. note:: To install the PolyORB/HI runtimes, you may use the script
+          get_runtimes.sh. It will install required ressources in the
+          Ocarina source tree.
+
+   ./support/get_runtimes.sh po_hi_ada po_hi_c
+
 Build options
 #############
 
@@ -128,4 +134,4 @@ User's Guide for more details.
    should use the script support/reconfig for this purpose. This
    should be done after each update from the repository. In addition
    to the requirements above, they will need autoconf 2.57 or newer,
-   automake 1.6.3 or newer.
\ No newline at end of file
+   automake 1.6.3 or newer.