Fix syntax error in README.md

Evan Phoenix · web-flow · commit e77830785dbe · 2022-01-10T14:05:24.000-08:00
diff --git a/README.md b/README.md
@@ -99,7 +99,7 @@ into all the callers.
 ### Using `hclog.Fmt()`
 
 ```go
-var int totalBandwidth = 200
+totalBandwidth := 200
 appLogger.Info("total bandwidth exceeded", "bandwidth", hclog.Fmt("%d GB/s", totalBandwidth))
 ```
 
