was missing .. _mammouth: label in mammouth.txt

42982842 · desjagui@atchoum.iro.umontreal.ca · 2972535c · 42982842
--- a/doc/internal/mammouth.txt
+++ b/doc/internal/mammouth.txt
+.. _mammouth:
 ===========================
 Running Theano on Mammouth
 ===========================