Typo fixes

[skip ci]

src/Gui/ViewProviderOriginFeature.cpp

@@ -178,7 +178,7 @@ void ViewProviderOriginFeature::setDisplayMode (const char* ModeName)
 
 bool ViewProviderOriginFeature::onDelete(const std::vector<std::string> &) {
     App::OriginFeature *feat = static_cast <App::OriginFeature *> ( getObject() );
-    // Forbid deletion if there is an origin thes feature belongs to
+    // Forbid deletion if there is an origin this feature belongs to
 
     if ( feat->getOrigin () ) {
         return false;

src/Mod/Mesh/Gui/SoFCMeshFaceSet.cpp

@@ -387,7 +387,7 @@ void SoFCMeshFacet::getPrimitiveCount(SoGetPrimitiveCountAction * action)
  *
  * The GLRender() method checks the status of the SoFCInteractiveElement to decide to be in interactive mode or not.
  * To take advantage of this facility the client programmer must set the status of the SoFCInteractiveElement to \a true
- * if there is a user interation and set the status to \a false if not. This can be done e.g. in the actualRedraw() method of
+ * if there is a user interaction and set the status to \a false if not. This can be done e.g. in the actualRedraw() method of
  * the viewer.
  * \author Werner Mayer
  */

src/Mod/Mesh/Gui/SoFCMeshNode.cpp

@@ -70,7 +70,7 @@ using namespace MeshGui;
  *
  * The GLRender() method checks the status of the SoFCInteractiveElement to decide to be in interactive mode or not.
  * To take advantage of this facility the client programmer must set the status of the SoFCInteractiveElement to \a true
- * if there is a user interation and set the status to \a false if not. This can be done e.g. in the actualRedraw() method of
+ * if there is a user interaction and set the status to \a false if not. This can be done e.g. in the actualRedraw() method of
  * the viewer.
  * \author Werner Mayer
  */

src/Mod/Mesh/Gui/SoFCMeshObject.h

@@ -155,7 +155,7 @@ protected:
  * The GLRender() method checks the status of the SoFCInteractiveElement to decide to be in
  * interactive mode or not.
  * To take advantage of this facility the client programmer must set the status of the
- * SoFCInteractiveElement to \a true if there is a user interation and set the status to
+ * SoFCInteractiveElement to \a true if there is a user interaction and set the status to
  * \a false if not. This can be done e.g. in the actualRedraw() method of the viewer.
  *
  * @author Werner Mayer