diff --git a/internal/metricRouter/README.md b/internal/metricRouter/README.md
index 8b6dd5b..ed99b51 100644
--- a/internal/metricRouter/README.md
+++ b/internal/metricRouter/README.md
@@ -54,7 +54,7 @@ The CCMetric router sits in between the collectors and the sinks and can be used
         "metric_12345" : "mymetric"
     },
     "normalize_units" : true,
-    "change_unit_prefix" {
+    "change_unit_prefix" : {
       "mem_used" : "G",
       "mem_total" : "G"
     }
@@ -270,4 +270,4 @@ The router performs the above mentioned options in a specific order. In order to
 
 Legend:
 - 'c' if metric is coming from a collector
-- 'r' if metric is coming from a receiver
\ No newline at end of file
+- 'r' if metric is coming from a receiver