Merge pull request #720 from nouiz/doc

small doc update following email from John Salvatier. I merge it myself as this is a trivial doc change.

Merge pull request #720 from nouiz/doc
9aa36490 · nouiz · ded60972 · 11e6029d · 9aa36490
--- a/doc/optimizations.txt
+++ b/doc/optimizations.txt
@@ -51,8 +51,8 @@ Optimization                                              FAST_RUN  FAST_COMPILE
 :term:`gemm`                                              x
 :term:`inplace_elemwise`                                  x
 :term:`inplace_random`                                    x
-:term:`elemwise fusion`     
+:term:`elemwise fusion`                                   x
-:term:`GPU transfer`
+:term:`GPU transfer`                                      x
 ========================================================= ========= ============