diff --git a/docs/pybullet_quickstartguide.pdf b/docs/pybullet_quickstartguide.pdf
index 418a9beb8..21853d682 100644
Binary files a/docs/pybullet_quickstartguide.pdf and b/docs/pybullet_quickstartguide.pdf differ
diff --git a/examples/SharedMemory/PhysicsServerCommandProcessor.cpp b/examples/SharedMemory/PhysicsServerCommandProcessor.cpp
index 999625ec8..e20ce81ed 100644
--- a/examples/SharedMemory/PhysicsServerCommandProcessor.cpp
+++ b/examples/SharedMemory/PhysicsServerCommandProcessor.cpp
@@ -448,7 +448,7 @@ struct MinitaurStateLogger : public InternalStateLogger
 	btMultiBody* m_minitaurMultiBody;
 	btAlignedObjectArray<int> m_motorIdList;
 
-	MinitaurStateLogger(int loggingUniqueId, std::string fileName, btMultiBody* minitaurMultiBody, btAlignedObjectArray<int>& motorIdList)
+	MinitaurStateLogger(int loggingUniqueId, const std::string& fileName, btMultiBody* minitaurMultiBody, btAlignedObjectArray<int>& motorIdList)
 		:m_loggingTimeStamp(0),
 		m_logFileHandle(0),
 		m_minitaurMultiBody(minitaurMultiBody)