DOC: Correct issue reference

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/cythonize.py b/tools/cythonize.py
index 6ef908958..f0f1b5516 100755
--- a/tools/cythonize.py
+++ b/tools/cythonize.py
@@ -72,7 +72,7 @@ def process_pyx(fromfile, tofile):
                 raise Exception('Cython failed')
         except OSError:
             # There are ways of installing Cython that don't result in a cython
-            # executable on the path, see gh-2397.
+            # executable on the path, see scipy/scipy#2397.
             r = subprocess.call([sys.executable, '-c',
                                  'import sys; from Cython.Compiler.Main import '
                                  'setuptools_main as main; sys.exit(main())'] + flags +