diff --git a/xs/src/libslic3r/PrintConfig.cpp b/xs/src/libslic3r/PrintConfig.cpp
index 0f8410d60..d8f2d85a6 100644
--- a/xs/src/libslic3r/PrintConfig.cpp
+++ b/xs/src/libslic3r/PrintConfig.cpp
@@ -2034,8 +2034,8 @@ PrintConfigDef::PrintConfigDef()
 
     def = this->add("wipe_into_infill", coBool);
     def->category = L("Extruders");
-    def->label = L("Purging into infill");
-    def->tooltip = L("Wiping after toolchange will be preferentially done inside infills. "
+    def->label = L("Purge into this object's infill");
+    def->tooltip = L("Purging after toolchange will done inside this object's infills. "
                      "This lowers the amount of waste but may result in longer print time "
                      " due to additional travel moves.");
     def->cli = "wipe-into-infill!";
@@ -2043,8 +2043,8 @@ PrintConfigDef::PrintConfigDef()
 
     def = this->add("wipe_into_objects", coBool);
     def->category = L("Extruders");
-    def->label = L("Purging into objects");
-    def->tooltip = L("Objects will be used to wipe the nozzle after a toolchange to save material "
+    def->label = L("Purge into this object");
+    def->tooltip = L("Object will be used to purge the nozzle after a toolchange to save material "
                      "that would otherwise end up in the wipe tower and decrease print time. "
                      "Colours of the objects will be mixed as a result.");
     def->cli = "wipe-into-objects!";
diff --git a/xs/src/slic3r/GUI/GLCanvas3D.cpp b/xs/src/slic3r/GUI/GLCanvas3D.cpp
index f45e8f61c..ab4095e6f 100644
--- a/xs/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/xs/src/slic3r/GUI/GLCanvas3D.cpp
@@ -3392,7 +3392,7 @@ void GLCanvas3D::_camera_tranform() const
     ::glMatrixMode(GL_MODELVIEW);
     ::glLoadIdentity();
 
-    ::glRotatef(-m_camera.get_theta(), 1.0f, 0.0f, 0.0f); // pitch
+    ::glRotatef(-m_camera.get_theta(), 1.0f, 0.0f, 0.0f); // pitch
     ::glRotatef(m_camera.phi, 0.0f, 0.0f, 1.0f);          // yaw
 
     Pointf3 neg_target = m_camera.target.negative();
@@ -4853,7 +4853,7 @@ void GLCanvas3D::_on_move(const std::vector<int>& volume_idxs)
     if (m_model == nullptr)
         return;
 
-    std::set<std::string> done;  // prevent moving instances twice
+    std::set<std::string> done;  // prevent moving instances twice
     bool object_moved = false;
     Pointf3 wipe_tower_origin(0.0, 0.0, 0.0);
     for (int volume_idx : volume_idxs)
@@ -4862,7 +4862,7 @@ void GLCanvas3D::_on_move(const std::vector<int>& volume_idxs)
         int obj_idx = volume->object_idx();
         int instance_idx = volume->instance_idx();
 
-        // prevent moving instances twice
+        // prevent moving instances twice
         char done_id[64];
         ::sprintf(done_id, "%d_%d", obj_idx, instance_idx);
         if (done.find(done_id) != done.end())