diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/particle_system/particle_node.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/particle_system/particle_node.h
index 9bc3de885..9ae36fd49 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/particle_system/particle_node.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/particle_system/particle_node.h
@@ -235,7 +235,7 @@ public:
 		virtual void nodeModifiedFlagChanged(CWorkspaceNode &node) = 0;
 		virtual void nodeSkelParentChanged(CWorkspaceNode &node) = 0; // called when fx has been linked / unlinked from a skeleton parent
 	};
-	/// Сonstructor
+	/// Constructor
 	CParticleWorkspace();
 	/// Destructor
 	~CParticleWorkspace();
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/particle_system/particle_tree_model.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/particle_system/particle_tree_model.h
index 2ab5dbe89..9cf73d9d5 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/particle_system/particle_tree_model.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/particle_system/particle_tree_model.h
@@ -59,7 +59,7 @@ struct ItemType
 /**
 @class CParticleTreeItem
 @brief Basic elements tree model particles workspace.
-Сontains pointer to items particle workspace and type icons.
+Contains pointer to items particle workspace and type icons.
 */
 class CParticleTreeItem
 {
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/widgets/edit_range_widget.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/widgets/edit_range_widget.h
index 7223e5380..ae617d10d 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/widgets/edit_range_widget.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/object_viewer/widgets/edit_range_widget.h
@@ -33,7 +33,7 @@ namespace NLQT
 
 /**
 @class CEditRangeUIntWidget
-@brief The widget provides a horizontal slider and 3 QSpinBox(to set start/end value range and c�urrent value from this range.).
+@brief The widget provides a horizontal slider and 3 QSpinBox(to set start/end value range and current value from this range.).
 @details Slider sets the uint32 value within a specified range (start/end QSpinBox).
 The values range can be set through the class methods: setRange() or setRangeMin(), setRangeMax().
 Or the user input values in the widgets start/end QSpinBox.
@@ -120,7 +120,7 @@ private:
 
 /**
 @class CEditRangeIntWidget
-@brief The widget provides a horizontal slider and 3 QSpinBox(to set start/end value range and сurrent value from this range.).
+@brief The widget provides a horizontal slider and 3 QSpinBox(to set start/end value range and current value from this range.).
 @details Slider sets the sint32 value within a specified range (start/end QSpinBox).
 The values range can be set through the class methods: setRange() or setRangeMin(), setRangeMax().
 Or the user input values in the widgets start/end QSpinBox.
@@ -207,7 +207,7 @@ private:
 
 /**
 @class CEditRangeFloatWidget
-@brief The widget provides a horizontal slider and 3 QDoubleSpinBox(to set start/end value range and сurrent value from this range.).
+@brief The widget provides a horizontal slider and 3 QDoubleSpinBox(to set start/end value range and current value from this range.).
 @details Slider sets the float value within a specified range (start/end QDoubleSpinBox).
 The values range can be set through the class methods: setRange() or setRangeMin(), setRangeMax().
 Or the user input values in the widgets start/end QDoubleSpinBox.
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/translation_manager/editor_worksheet.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/translation_manager/editor_worksheet.cpp
index 9df0655ac..c353bb1aa 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/translation_manager/editor_worksheet.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/translation_manager/editor_worksheet.cpp
@@ -1,4 +1,4 @@
-// Translation Manager Plugin - OVQT Plugin <http://dev.ryzom.com/projects/nel/>
+// Translation Manager Plugin - OVQT Plugin <http://dev.ryzom.com/projects/nel/>
 // Copyright (C) 2010  Winch Gate Property Limited
 // Copyright (C) 2011  Emanuel Costea <cemycc@gmail.com>
 //