README.md: Fix 'easily to learn' grammar

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/README.md b/README.md
index 3197604..31d79e6 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@
 
 We have a few high-level objectives:
 
- * The OpenBMC framework must be extensible, easily to learn, and usable in a
+ * The OpenBMC framework must be extensible, easy to learn, and usable in a
    variety of programming languages.
 
  * Provide a REST API for external management, and allow for "pluggable"