diff --git a/src/processor/processor_motion.cpp b/src/processor/processor_motion.cpp
index 0ad4a754dd665d4533303f2e27569b0e7c151048..2dae3de4ee8c347e3a012cefe342334c7e3cdda4 100644
--- a/src/processor/processor_motion.cpp
+++ b/src/processor/processor_motion.cpp
@@ -202,19 +202,19 @@ void ProcessorMotion::processCapture(CaptureBasePtr _incoming_ptr)
         }
         case FIRST_TIME_WITH_KF_BEFORE_INCOMING :
         {
-            // cannot joint to the KF: create own origin
+            // cannot join to the KF: create own origin
             setOrigin(getProblem()->getState(getStateStructure()), _incoming_ptr->getTimeStamp());
             break;
         }
         case FIRST_TIME_WITH_KF_ON_INCOMING :
         {
-            // can joint to the KF
+            // can join to the KF
             setOrigin(keyframe_from_callback);
             break;
         }
         case FIRST_TIME_WITH_KF_AFTER_INCOMING :
         {
-            // cannot joint to the KF: create own origin
+            // cannot join to the KF: create own origin
             setOrigin(getProblem()->getState(getStateStructure()), _incoming_ptr->getTimeStamp());
             break;
         }