diff --git a/parser/configurationsParser.go b/parser/configurationsParser.go
index a550076..8b5e837 100644
--- a/parser/configurationsParser.go
+++ b/parser/configurationsParser.go
@@ -58,7 +58,7 @@ type ReadFileBytesByFilePath func(filePath string) ([]byte, error)
 
 type GelAllFilesNameByDirName func(dirName string) ([]string, error)
 
-// Init Parser, return a configurationsParser and use the DI Pattern to inject the dependencies
+// Init Parser, return a configurationsParser and use the D.I. Pattern to inject the dependencies
 func Init(configurationsCorePath, configurationsServicesDirectory string) *configurationsParser {
 	return &configurationsParser{
 		configurationsCorePath:             configurationsCorePath,
diff --git a/protocols/protocolManager.go b/protocols/protocolManager.go
index 1d5c029..b607694 100644
--- a/protocols/protocolManager.go
+++ b/protocols/protocolManager.go
@@ -11,7 +11,7 @@ type ServiceStrategy interface {
 
 type ProtocolManager struct {
 	strategy ServiceStrategy
-	tracer   *tracer.Tracer
+	tracer   tracer.Tracer
 }
 
 func InitProtocolManager(tracerStrategy tracer.Strategy, strategy ServiceStrategy) *ProtocolManager {
@@ -26,5 +26,5 @@ func (pm *ProtocolManager) SetProtocolStrategy(strategy ServiceStrategy) {
 }
 
 func (pm *ProtocolManager) InitService(beelzebubServiceConfiguration parser.BeelzebubServiceConfiguration) error {
-	return pm.strategy.Init(beelzebubServiceConfiguration, *pm.tracer)
+	return pm.strategy.Init(beelzebubServiceConfiguration, pm.tracer)
 }
diff --git a/tracer/tracer.go b/tracer/tracer.go
index 26f7276..cc05355 100644
--- a/tracer/tracer.go
+++ b/tracer/tracer.go
@@ -6,17 +6,21 @@ import (
 
 type Strategy func(event Event)
 
-type Tracer struct {
+type Tracer interface {
+	TraceEvent(event Event)
+}
+
+type tracer struct {
 	strategy Strategy
 }
 
-func Init(strategy Strategy) *Tracer {
-	return &Tracer{
+func Init(strategy Strategy) *tracer {
+	return &tracer{
 		strategy: strategy,
 	}
 }
 
-func (tracer *Tracer) TraceEvent(event Event) {
+func (tracer *tracer) TraceEvent(event Event) {
 	event.DateTime = time.Now().UTC().Format(time.RFC3339)
 	tracer.strategy(event)
 }