HACKING: Make mention of the separate cairo-traces repodoc-fixes

Signed-off-by: Bryce Harrington <b.harrington@samsung.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/HACKING b/HACKING
index 92aa6541d..752efbab2 100644
--- a/HACKING
+++ b/HACKING
@@ -136,10 +136,11 @@ See test/README for more information.
 Performance Test Suite
 ----------------------
 
-There is a small performance-testing suite for cairo.
-
-The performance test suite is located under the perf/ directory.
-See perf/README for more information.
+There is a performance test suite located under the perf/ directory.
+A collection of traces of real-world behavior are also available in the
+cairo-traces repository, which can be used in isolation or hooked in
+with the main performance test suite.  See perf/README for more
+information.
 
 
 Boilerplate