fix README Decimals example (preichenberger#85)

alex-miao · preichenberger · commit 1cf9e2b3b6a6 · 2019-07-15T15:47:33.000-04:00
diff --git a/README.md b/README.md
@@ -83,7 +83,7 @@ import (
   "github.com/shopspring/decimal"
 )
 
-book, err := coinbasepro.getBook("BTC-USD", 1)
+book, err := client.GetBook("BTC-USD", 1)
 if err != nil {
     println(err.Error())  
 }

Original file line number	Diff line number	Diff line change
`@@ -83,7 +83,7 @@ import (`
`83`	`83`	`"github.com/shopspring/decimal"`
`84`	`84`	`)`
`85`	`85`
`86`		`-book, err := coinbasepro.getBook("BTC-USD", 1)`
	`86`	`+book, err := client.GetBook("BTC-USD", 1)`
`87`	`87`	`if err != nil {`
`88`	`88`	`println(err.Error())`
`89`	`89`	`}`