diff --git a/src/.config b/src/.config
index b4e1f3d5a..29b066fb8 100644
--- a/src/.config
+++ b/src/.config
@@ -117,7 +117,7 @@ COPY_SOURCE_ISO=true
 # This property defines one or more additional overlay software pieces which
 # will be generated and placed in the 'work/src/minimal_overlay' folder. These
 # software pieces will be visible and fully usable after boot. By default this
-# property is disabled because the build process for all overlay software is
+# property is disabled because the build process for most of the software is
 # host specific and may not work out of the box. Note that if you build any
 # overlay software and you are using sparse image file for the overlay structure
 # then most probably something will go wrong because the overlay software
@@ -127,10 +127,11 @@ COPY_SOURCE_ISO=true
 #
 # Currently available overlay software:
 #
-# links    - text browser
-# dropbear - SSH server and client
+# glibc_full - all core GNU C libraries (useful if other software is included)
+# links      - text browser
+# dropbear   - SSH server and client
 #
-#OVERLAY_SOFTWARE=links,dropbear
+#OVERLAY_SOFTWARE=glibc_full,links,dropbear
 
 # This property enables the standard penguin boot logo in the upper left corner
 # of the screen. The property is used in 'xx_build_kernel.sh'. The default value
diff --git a/src/12_generate_iso.sh b/src/12_generate_iso.sh
index b44825459..fde06551d 100755
--- a/src/12_generate_iso.sh
+++ b/src/12_generate_iso.sh
@@ -40,10 +40,10 @@ else
   echo "Source files and folders have been skipped."
 fi
 
-# Read the 'BUILD_OVERLAY_SOFTWARE' property from '.config'
-BUILD_OVERLAY_SOFTWARE="$(grep -i ^BUILD_OVERLAY_SOFTWARE .config | cut -f2 -d'=')"
+# Read the 'OVERLAY_SOFTWARE' property from '.config'
+OVERLAY_SOFTWARE="$(grep -i ^OVERLAY_SOFTWARE .config | cut -f2 -d'=')"
 
-if [ "$BUILD_OVERLAY_SOFTWARE" = "true" ] ; then
+if [ ! "$OVERLAY_SOFTWARE" = "" ] ; then
   echo "Generating additional overlay software. This may take a while..."
   sh build_minimal_linux_overlay.sh
 else
diff --git a/src/README b/src/README
index bf1b838fb..c073afdd1 100644
--- a/src/README
+++ b/src/README
@@ -10,14 +10,24 @@ http://minimal.linux-bg.org
 
 Once you have your ISO image up and running perhaps you'd like to play with the
 configuration file '.config' and see what options you have there. For example
-you can set the property 'BUILD_OVERLAY_SOFTWARE=true'. If you do that you will
-have additional software being downloaded, built and installed on the ISO image.
+you can change the property 'OVERLAY_SOFTWARE'. If you do that you will have
+additional software being downloaded, built and installed on the ISO image.
 
-Available overlay software:
+Currently available overlay software:
+
+  * GLIBC    - Set of all core GNU C libraries packaged together. Requires ~3MB
+               additional space. This overlay bundle is not host specific and
+               can always be built. The libraries are useful if you plan to use
+               more software after boot.
+
+               This overlay bundle depends on the GLIBC build process.
 
   * Links    - text based browser. Requires ~1MB additional space. Use the
                'links' command to activate the browser.
 
+               This overlay bundle is self sufficient and doesn't require other
+               overlay bundles.
+
   * Dropbear - SSH server/client. Requires ~1MB additional space. The build
                process creates user 'root' with password 'toor'. These are
                sample commands which demonstrate how to use Dropbear:
@@ -25,7 +35,7 @@ Available overlay software:
                SSH server (Alt + F1): dropbear -E -F
                SSH client (Alt + F2): dbclient 10.0.2.15 -l root
 
-In time there may be other overlay software packages available.
+               This overlay bundle depends on the GLIBC build process.
 
 ###   ###   ###