Typo: subsitute->substitute

Change-Id: Iee26cd9e2fabafdb2554ecd3d096b1c4d41a6d8d

dbaccess/source/ui/control/FieldDescControl.cxx

@@ -1133,7 +1133,7 @@ void OFieldDescControl::DisplayData(OFieldDescription* pFieldDescr )
     ActivateAggregate( tpType );
 
     OSL_ENSURE(pFieldType.get(),"We need a type information here!");
-    // If the type has changed, subsitute Controls
+    // If the type has changed, substitute Controls
     if( m_pPreviousType != pFieldType )
     {
         // Reset the saved focus' pointer

sd/source/ui/slidesorter/inc/controller/SlsPageSelector.hxx

@@ -83,7 +83,7 @@ public:
     void SelectPage (const model::SharedPageDescriptor& rpDescriptor);
 
     /** Return whether the specified page is selected.  This convenience
-        method is a subsitute for
+        method is a substitute for
         SlideSorterModel::GetPageDescriptor(i)->IsSelected() is included
         here to make this class more self contained.
     */