diff --git a/libraries/physics/src/EntityMotionState.h b/libraries/physics/src/EntityMotionState.h
index 807acbfe80..a542c61d43 100644
--- a/libraries/physics/src/EntityMotionState.h
+++ b/libraries/physics/src/EntityMotionState.h
@@ -132,7 +132,7 @@ protected:
     //
     // (2) For locally owned simulation: we store the last values sent to the server, integrated forward over time
     //     according to how we think the server doing it.  We calculate the error between the true local transform
-    //     and the remote to decide when to send another update.
+    //     and the remote to decide whether to send another update or not.
     //
     glm::vec3 _serverPosition;    // in simulation-frame (not world-frame)
     glm::quat _serverRotation;
diff --git a/libraries/physics/src/PhysicalEntitySimulation.cpp b/libraries/physics/src/PhysicalEntitySimulation.cpp
index 06e7069f72..ab7c2ec252 100644
--- a/libraries/physics/src/PhysicalEntitySimulation.cpp
+++ b/libraries/physics/src/PhysicalEntitySimulation.cpp
@@ -41,7 +41,7 @@ void PhysicalEntitySimulation::init(
 
 // begin EntitySimulation overrides
 void PhysicalEntitySimulation::updateEntitiesInternal(uint64_t now) {
-    // Do nothing here because the "internal" update the PhysicsEngine::stepSimualtion() which is done elsewhere.
+    // Do nothing here because the "internal" update the PhysicsEngine::stepSimulation() which is done elsewhere.
 }
 
 void PhysicalEntitySimulation::addEntityInternal(EntityItemPointer entity) {