diff --git a/tabbox/clientitemdelegate.h b/tabbox/clientitemdelegate.h
index 1d0db939a7..e975c2c826 100644
--- a/tabbox/clientitemdelegate.h
+++ b/tabbox/clientitemdelegate.h
@@ -70,7 +70,7 @@ class ClientItemDelegate
         * @param option The current QStyleOptionViewItem
         * @param index The current QModelIndex - unused should be removed
         * @param element The current ItemLayoutConfigRowElement
-        * @param x The left x positon for drawing the text
+        * @param x The left x position for drawing the text
         * @param y The top y position for drawing the text
         * @param rowHeight The height of the current rendered row
         * @param text The text which should be drawn
@@ -82,7 +82,7 @@ class ClientItemDelegate
         * Calculates the size hint of given text.
         * This method is used to calculate the maximum size of a row.
         * @param index The current model index
-        * @param element The ItemLayoutConfigRowElement defining how the text has to be layed out.
+        * @param element The ItemLayoutConfigRowElement defining how the text has to be laid out.
         * @param text The text whose size has to be calculated
         * @return The size of the given text if it would be rendered
         */
diff --git a/tabbox/desktopitemdelegate.h b/tabbox/desktopitemdelegate.h
index 1cdafc583f..3796881636 100644
--- a/tabbox/desktopitemdelegate.h
+++ b/tabbox/desktopitemdelegate.h
@@ -67,7 +67,7 @@ class DesktopItemDelegate
         * @param painter The painter to paint the text
         * @param option The current QStyleOptionViewItem
         * @param element The current ItemLayoutConfigRowElement
-        * @param x The left x positon for drawing the text
+        * @param x The left x position for drawing the text
         * @param y The top y position for drawing the text
         * @param rowHeight The height of the current rendered row
         * @param text The text which should be drawn
@@ -86,7 +86,7 @@ class DesktopItemDelegate
         * Calculates the size hint of given text.
         * This method is used to calculate the maximum size of a row.
         * @param index The current model index
-        * @param element The ItemLayoutConfigRowElement defining how the text has to be layed out.
+        * @param element The ItemLayoutConfigRowElement defining how the text has to be laid out.
         * @param text The text whose size has to be calculated
         * @return The size of the given text if it would be rendered
         */
diff --git a/tabbox/tabboxhandler.h b/tabbox/tabboxhandler.h
index 2fe52ac615..68118d7dde 100644
--- a/tabbox/tabboxhandler.h
+++ b/tabbox/tabboxhandler.h
@@ -148,7 +148,7 @@ class TabBoxHandler : public QObject
         * <LI>The client won't be added if it has modal dialogs</LI>
         * <LI>In that case the modal dialog will be returned if it isn't already
         * included</LI>
-        * <LI>Won't be added if it isn't on active screen when using seperate
+        * <LI>Won't be added if it isn't on active screen when using separate
         * screen focus</LI>
         * </UL>
         * @param client The client to be checked for inclusion
@@ -240,7 +240,7 @@ class TabBoxHandler : public QObject
         int currentSelectedDesktop() const;
 
         /**
-        * Handles additonal grabbed key events by the TabBox controller.
+        * Handles additional grabbed key events by the TabBox controller.
         * It is able to handle cursor key presses and to find the item
         * left/right/above/below of current item.
         * @param event The key event which has been grabbed