diff --git a/conf/metrics.properties.template b/conf/metrics.properties.template
index 2e0cb5db170ac99817f306e4ebc2a82d2dfc874d..7de0011a48ca873cbed2a955226893276d05b203 100644
--- a/conf/metrics.properties.template
+++ b/conf/metrics.properties.template
@@ -126,9 +126,9 @@
 #*.sink.slf4j.class=org.apache.spark.metrics.sink.Slf4jSink
 
 # Polling period for Slf4JSink
-#*.sink.sl4j.period=1
+#*.sink.slf4j.period=1
 
-#*.sink.sl4j.unit=minutes
+#*.sink.slf4j.unit=minutes
 
 
 # Enable jvm source for instance master, worker, driver and executor