Use US version of "license" in README
Committed 1c6416
--- a/README.md
+++ b/README.md
#### Typeface Attribution
-**Ubuntu**, Canonical, Dalton Maag, *Ubuntu Font Licence v1.0*
+**Ubuntu**, Canonical, Dalton Maag, *Ubuntu Font License v1.0*
**Fleuron**, Mickaël Emile, Yves-Gabriel So, *SIL Open Font License v1.1*