Make event emit API consistent to other APIs

Change-Id: I458b4a9bd3797638bf397e7dcb15b34118677af0
diff --git a/Makefile b/Makefile
index a26d3ce..9e9453d 100644
--- a/Makefile
+++ b/Makefile
@@ -32,6 +32,8 @@
 DOCKER_LABEL_COMMIT_DATE ?= $(shell git diff-index --quiet HEAD -- && git show -s --format=%cd --date=iso-strict HEAD || echo "unknown" )
 DOCKER_LABEL_BUILD_DATE  ?= $(shell date -u "+%Y-%m-%dT%H:%M:%SZ")
 
+
+# Targets
 all: test
 
 docker-build: