Official wording of Material-UI (#191)

Author: oliviertassinari

README.md

@@ -115,7 +115,7 @@ const MyForm = () => (
   * [Hybrid Synchronous/Asynchronous Record-Level Validation](#hybrid-synchronousasynchronous-record-level-validation)
   * [Submission Errors](#submission-errors)
   * [Third Party Components](#third-party-components)
-  * [Material UI 1.0](#material-ui-10)
+  * [Material-UI 1.0](#material-ui-10)
   * [💥 Performance Optimization Through Subscriptions 💥](#-performance-optimization-through-subscriptions-)
   * [Independent Error Component](#independent-error-component)
   * [Loading and Initializing Values](#loading-and-initializing-values)
@@ -256,9 +256,9 @@ Demonstrates how easy it is to use third party input components. All the third
 party component really needs is `value` and `onChange`, but more complex
 components can accept things like errors.
 
-### [Material UI 1.0](https://codesandbox.io/s/2z5y03y81r)
+### [Material-UI 1.0](https://codesandbox.io/s/2z5y03y81r)
 
-Demonstrates how to use Material UI 1.0 input components.
+Demonstrates how to use Material-UI 1.0 input components.
 
 ### 💥 [Performance Optimization Through Subscriptions](https://codesandbox.io/s/32r824vxy1) 💥