Update README.md

Author: ricardocosme

Diff for: README.md

@@ -1,7 +1,6 @@
 # poly2variant
 
-poly2variant is an experience using a variant like [Boost
-Variant](http://www.boost.org/doc/libs/1_64_0/doc/html/variant.html)
+poly2variant is an experience using a variant like [Boost.Variant](http://www.boost.org/doc/libs/1_64_0/doc/html/variant.html)
 as a safe type switching mechanism to discover derived types from
 bases when there are a known set of polymorphic types.