DOC: more explicit title

GaelVaroquaux · larsmans · commit 164dc8efc326 · 2014-09-02T11:02:59.000+02:00
"Scaling strategies" was ambiguous: it could sound like how to rescale
data.
diff --git a/doc/modules/scaling_strategies.rst b/doc/modules/scaling_strategies.rst
@@ -1,8 +1,8 @@
 .. _scaling_strategies:
 
-==================
-Scaling Strategies
-==================
+=================================================
+Strategies to scale computationally: bigger data
+=================================================
 
 For some applications the amount of examples, features (or both) and/or the 
 speed at which they need to be processed are challenging for traditional 
