docs(README.md): fix typo

jedwards1211 · jedwards1211 · commit e07658392453 · 2020-07-13T01:01:48.000-05:00
diff --git a/README.md b/README.md
@@ -395,7 +395,7 @@ Value must be > 0
 
 Expected: PositiveNumber
 
-Actual Value: ${value}
+Actual Value: -1
 
 Actual Type: number
 ```
