Add PractRand to development howto guide.
diff --git a/doc/development/development.howto.txt b/doc/development/development.howto.txt
index e1a27bb..c70a2ab 100644
--- a/doc/development/development.howto.txt
+++ b/doc/development/development.howto.txt
@@ -38,7 +38,7 @@
1. a unit test where the output (say, a few hundred numbers) of "Commons RNG"
is compared against another implementation,
2. the outputs of the "RandomStressTester" (Java source is in module
- "commons-rng-examples"), piping from the "Dieharder" and "TU01/BigCrush"
- actual stress test suites (these software must be installed separately;
+ "commons-rng-examples"), piping from the "Dieharder", "TU01/BigCrush" and
+ "PractRand" stress test suites (these software must be installed separately;
the C source of a simple interface to the "TU01" library is in module
"commons-rng-examples").
