diff --git a/clients/plastik/plastikbutton.cpp b/clients/plastik/plastikbutton.cpp
index fdf86025f0..f7d557fef0 100644
--- a/clients/plastik/plastikbutton.cpp
+++ b/clients/plastik/plastikbutton.cpp
@@ -50,7 +50,7 @@ PlastikButton::PlastikButton(ButtonType type, PlastikClient *parent)
 {
     setAttribute(Qt::WA_NoSystemBackground);
 
-    // no need to reset here as the button will be resetted on first resize.
+    // no need to reset here as the button will be reseted on first resize.
 
     animTmr = new QTimer(this);
     animTmr->setSingleShot(true);  // single-shot
diff --git a/events.cpp b/events.cpp
index 5defd4d29e..55e52baa69 100644
--- a/events.cpp
+++ b/events.cpp
@@ -302,9 +302,9 @@ bool Workspace::workspaceEvent( XEvent * e )
 	    // If the system tray gets destroyed, the system tray
 	    // icons automatically get unmapped, reparented and mapped
 	    // again to the closest non-client ancestor due to
-	    // QXEmbed's SaveSet feature. Unfortunatly with kicker
+	    // QXEmbed's SaveSet feature. Unfortunately with kicker
 	    // this closest ancestor is not the root window, but our
-	    // decoration, so we reparent explicitely back to the root
+	    // decoration, so we reparent explicitly back to the root
 	    // window.
                 XEvent ev;
                 WId w = e->xunmap.window;
diff --git a/kcmkwin/kwindecoration/buttons.cpp b/kcmkwin/kwindecoration/buttons.cpp
index 55de619db5..2ec7715bc1 100644
--- a/kcmkwin/kwindecoration/buttons.cpp
+++ b/kcmkwin/kwindecoration/buttons.cpp
@@ -393,7 +393,7 @@ void ButtonDropSite::dropEvent( QDropEvent* e )
 	} else {
 		ButtonDropSiteItem *aboveItem = buttonAt(p);
 		if (!aboveItem)
-			return; // invalid drop. hasn't occured _over_ a button (or left/right dropArea), return...
+			return; // invalid drop. hasn't occurred _over_ a button (or left/right dropArea), return...
 
 		ButtonList::iterator it;
 		if (!getItemIterator(aboveItem, buttonList, it) ) {
diff --git a/lib/kcommondecoration.cpp b/lib/kcommondecoration.cpp
index 22e347fa22..0ff7f0e547 100644
--- a/lib/kcommondecoration.cpp
+++ b/lib/kcommondecoration.cpp
@@ -153,7 +153,7 @@ void KCommonDecoration::borders( int& left, int& right, int& top, int& bottom )
             layoutMetric(LM_TitleEdgeTop) +
             layoutMetric(LM_TitleEdgeBottom);
 
-    updateLayout(); // TODO!! don't call everytime we are in ::borders
+    updateLayout(); // TODO!! don't call every time we are in ::borders
 }
 
 void KCommonDecoration::updateLayout() const
diff --git a/sm.cpp b/sm.cpp
index ff88c8e751..a7e4accade 100644
--- a/sm.cpp
+++ b/sm.cpp
@@ -314,7 +314,7 @@ NET::WindowType Workspace::txtToWindowType( const char* txt )
 // Therefore it's temporarily disabled during session saving. Start of
 // session saving can be detected in SessionManaged::saveState() above,
 // but Qt doesn't have API for saying when session saved finished (either
-// successfully, or was cancelled). Therefore, create another connection
+// successfully, or was canceled). Therefore, create another connection
 // to session manager, that will provide this information.
 static void save_yourself( SmcConn conn_P, SmPointer ptr, int, Bool, int, Bool )
     {