diff --git a/libisoburn/trunk/releng/README.core b/libisoburn/trunk/releng/README.core
index e715f3e2..18bddb6e 100644
--- a/libisoburn/trunk/releng/README.core
+++ b/libisoburn/trunk/releng/README.core
@@ -8,8 +8,10 @@ Release Engineering
 
 * SETUP THE TEST ENVIRONMENT AND RUN THE TEST SUITE
  + All tests have to be run from the releng/ directory, within
-   libisoburn source tree. There is a 'master' script called
-   run_all_releng, which runs all scripts prefixed with releng_*.
+   libisoburn source tree. Self-generated data are stored in
+   ./releng_generated_data/ directory, and the required space for
+   these data is about 300 megabytes. There is a 'master' script
+   called run_all_releng, which runs all scripts prefixed with releng_*.
  + Any releng_* script can be run on its own, regardless.
  + Any manual_* script is to be run on its own, i.e. by hand.
  + All scripts support -h, -help, --help and
diff --git a/libisoburn/trunk/releng/run_all_releng b/libisoburn/trunk/releng/run_all_releng
index c4ef3cd1..c81f8f04 100755
--- a/libisoburn/trunk/releng/run_all_releng
+++ b/libisoburn/trunk/releng/run_all_releng
@@ -91,10 +91,7 @@ ${SELF} runs executables from CWD starting
 with releng_*, passing them its own options.
 stdout/stderr output stored in:
  ${CLOG}
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-self-generated data are stored in ${GEN_DATA_DIR}.
-required space for these data is about 300 megabytes.
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
 examples:
 # run xorriso and keep the self-generated data
  $ ./${SELF} -x path/to/xorriso [-k]