Fix formatting

Author: cspotcode

README.md

@@ -58,7 +58,6 @@ function narrowLiterals(array) {return array;}
  */
 function typeOfExpression<T>(fn: (_?: any) => T): T;
 function typeOfExpression() {};
-```
 
 /*
  * Copied from http://ideasintosoftware.com/typescript-advanced-tricks/
@@ -69,3 +68,4 @@ function typeOfExpression() {};
 type Diff<T extends string, U extends string> = ({[P in T]: P } & {[P in U]: never } & { [x: string]: never })[T];
 type Omit<T, K extends keyof T> = {[P in Diff<keyof T, K>]: T[P]};
 type OmitInterface<T, U> = Omit<T, keyof U>;
+```