diff --git a/apple/src/FFmpegSession.h b/apple/src/FFmpegSession.h
index f877d34..3523410 100644
--- a/apple/src/FFmpegSession.h
+++ b/apple/src/FFmpegSession.h
@@ -34,6 +34,7 @@
  * Builds a new FFmpeg session.
  *
  * @param arguments command arguments
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments;
 
@@ -42,6 +43,7 @@
  *
  * @param arguments         command arguments
  * @param completeCallback  session specific complete callback
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments withCompleteCallback:(FFmpegSessionCompleteCallback)completeCallback;
 
@@ -52,6 +54,7 @@
  * @param completeCallback      session specific complete callback
  * @param logCallback           session specific log callback
  * @param statisticsCallback    session specific statistics callback
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments withCompleteCallback:(FFmpegSessionCompleteCallback)completeCallback withLogCallback:(LogCallback)logCallback withStatisticsCallback:(StatisticsCallback)statisticsCallback;
 
@@ -63,6 +66,7 @@
  * @param logCallback             session specific log callback
  * @param statisticsCallback      session specific statistics callback
  * @param logRedirectionStrategy  session specific log redirection strategy
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments withCompleteCallback:(FFmpegSessionCompleteCallback)completeCallback withLogCallback:(LogCallback)logCallback withStatisticsCallback:(StatisticsCallback)statisticsCallback withLogRedirectionStrategy:(LogRedirectionStrategy)logRedirectionStrategy;
 
diff --git a/apple/src/FFprobeSession.h b/apple/src/FFprobeSession.h
index f09dbe6..490e7f2 100644
--- a/apple/src/FFprobeSession.h
+++ b/apple/src/FFprobeSession.h
@@ -33,6 +33,7 @@
  * Builds a new FFprobe session.
  *
  * @param arguments command arguments
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments;
 
@@ -41,6 +42,7 @@
  *
  * @param arguments        command arguments
  * @param completeCallback session specific complete callback
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments withCompleteCallback:(FFprobeSessionCompleteCallback)completeCallback;
 
@@ -50,6 +52,7 @@
  * @param arguments        command arguments
  * @param completeCallback session specific complete callback
  * @param logCallback      session specific log callback
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments withCompleteCallback:(FFprobeSessionCompleteCallback)completeCallback withLogCallback:(LogCallback)logCallback;
 
@@ -60,6 +63,7 @@
  * @param completeCallback        session specific complete callback
  * @param logCallback             session specific log callback
  * @param logRedirectionStrategy  session specific log redirection strategy
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments withCompleteCallback:(FFprobeSessionCompleteCallback)completeCallback withLogCallback:(LogCallback)logCallback withLogRedirectionStrategy:(LogRedirectionStrategy)logRedirectionStrategy;
 
diff --git a/apple/src/MediaInformationSession.h b/apple/src/MediaInformationSession.h
index 5df4ace..6a070ec 100644
--- a/apple/src/MediaInformationSession.h
+++ b/apple/src/MediaInformationSession.h
@@ -35,6 +35,7 @@
  * Creates a new media information session.
  *
  * @param arguments command arguments
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments;
 
@@ -43,6 +44,7 @@
  *
  * @param arguments        command arguments
  * @param completeCallback session specific complete callback
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments withCompleteCallback:(MediaInformationSessionCompleteCallback)completeCallback;
 
@@ -52,6 +54,7 @@
  * @param arguments        command arguments
  * @param completeCallback session specific complete callback
  * @param logCallback      session specific log callback
+ * @return created session
  */
 + (instancetype)create:(NSArray*)arguments withCompleteCallback:(MediaInformationSessionCompleteCallback)completeCallback withLogCallback:(LogCallback)logCallback;
 
diff --git a/linux/src/FFmpegSession.h b/linux/src/FFmpegSession.h
index a684833..e9cfed6 100644
--- a/linux/src/FFmpegSession.h
+++ b/linux/src/FFmpegSession.h
@@ -36,6 +36,7 @@ namespace ffmpegkit {
              * Builds a new FFmpeg session.
              *
              * @param arguments command arguments
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::FFmpegSession> create(const std::list<std::string>& arguments);
 
@@ -44,6 +45,7 @@ namespace ffmpegkit {
              *
              * @param arguments         command arguments
              * @param completeCallback  session specific complete callback
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::FFmpegSession> create(const std::list<std::string>& arguments, ffmpegkit::FFmpegSessionCompleteCallback completeCallback);
 
@@ -54,6 +56,7 @@ namespace ffmpegkit {
              * @param completeCallback      session specific complete callback
              * @param logCallback           session specific log callback
              * @param statisticsCallback    session specific statistics callback
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::FFmpegSession> create(const std::list<std::string>& arguments, ffmpegkit::FFmpegSessionCompleteCallback completeCallback, ffmpegkit::LogCallback logCallback, ffmpegkit::StatisticsCallback statisticsCallback);
 
@@ -65,6 +68,7 @@ namespace ffmpegkit {
              * @param logCallback             session specific log callback
              * @param statisticsCallback      session specific statistics callback
              * @param logRedirectionStrategy  session specific log redirection strategy
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::FFmpegSession> create(const std::list<std::string>& arguments, ffmpegkit::FFmpegSessionCompleteCallback completeCallback, ffmpegkit::LogCallback logCallback, ffmpegkit::StatisticsCallback statisticsCallback, ffmpegkit::LogRedirectionStrategy logRedirectionStrategy);
 
diff --git a/linux/src/FFprobeSession.h b/linux/src/FFprobeSession.h
index 381747b..53c6814 100644
--- a/linux/src/FFprobeSession.h
+++ b/linux/src/FFprobeSession.h
@@ -35,6 +35,7 @@ namespace ffmpegkit {
              * Builds a new FFprobe session.
              *
              * @param arguments command arguments
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::FFprobeSession> create(const std::list<std::string>& arguments);
 
@@ -43,6 +44,7 @@ namespace ffmpegkit {
              *
              * @param arguments        command arguments
              * @param completeCallback session specific complete callback
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::FFprobeSession> create(const std::list<std::string>& arguments, const FFprobeSessionCompleteCallback completeCallback);
 
@@ -52,6 +54,7 @@ namespace ffmpegkit {
              * @param arguments        command arguments
              * @param completeCallback session specific complete callback
              * @param logCallback      session specific log callback
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::FFprobeSession> create(const std::list<std::string>& arguments, const FFprobeSessionCompleteCallback completeCallback, const ffmpegkit::LogCallback logCallback);
 
@@ -62,6 +65,7 @@ namespace ffmpegkit {
              * @param completeCallback        session specific complete callback
              * @param logCallback             session specific log callback
              * @param logRedirectionStrategy  session specific log redirection strategy
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::FFprobeSession> create(const std::list<std::string>& arguments, const FFprobeSessionCompleteCallback completeCallback, const ffmpegkit::LogCallback logCallback, const LogRedirectionStrategy logRedirectionStrategy);
 
diff --git a/linux/src/MediaInformationSession.h b/linux/src/MediaInformationSession.h
index b59a01d..6ec2f10 100644
--- a/linux/src/MediaInformationSession.h
+++ b/linux/src/MediaInformationSession.h
@@ -37,6 +37,7 @@ namespace ffmpegkit {
              * Creates a new media information session.
              *
              * @param arguments command arguments
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::MediaInformationSession> create(const std::list<std::string>& arguments);
 
@@ -45,6 +46,7 @@ namespace ffmpegkit {
              *
              * @param arguments        command arguments
              * @param completeCallback session specific complete callback
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::MediaInformationSession> create(const std::list<std::string>& arguments, ffmpegkit::MediaInformationSessionCompleteCallback completeCallback);
 
@@ -54,6 +56,7 @@ namespace ffmpegkit {
              * @param arguments        command arguments
              * @param completeCallback session specific complete callback
              * @param logCallback      session specific log callback
+             * @return created session
              */
             static std::shared_ptr<ffmpegkit::MediaInformationSession> create(const std::list<std::string>& arguments, ffmpegkit::MediaInformationSessionCompleteCallback completeCallback, ffmpegkit::LogCallback logCallback);