Fix typos

Change-Id: I603fc49a24d518f12d8acc7d5f8fc5dfd9eae38f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/209928
Tested-by: Julien Nabet <serval2412@yahoo.fr>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

xmloff/source/forms/propertyexport.hxx

@@ -82,7 +82,7 @@ namespace xmloff
     public:
         /** constructs an object capable of handling attributes for export
             @param  _rContext
-                the export context to which's attribute list the property translation should be added
+                the export context to whose attribute list the property translation should be added
             @param  m_xControl
                 the property set to be exported
         */
@@ -90,7 +90,7 @@ namespace xmloff
             const css::uno::Reference< css::beans::XPropertySet >& _rxProps);
 
     protected:
-        /** examines a property set given for all properties which's value are to made persistent
+        /** examines a property set given for all properties whose values are to be made persistent
 
             <p>upon return the <method>m_aRemainingProps</method> will be filled with the names of all properties
             which need to be stored</p>

xmloff/source/text/XMLIndexTOCContext.hxx

@@ -46,7 +46,7 @@ class XMLIndexBodyContext;
  * Import all indices.
  *
  * Originally, this class would import only the TOC (table of
- * content), but now it's role has been expanded to handle all
+ * content), but now its role has been expanded to handle all
  * indices, and hence is named inappropriately. Depending on the
  * element name it decides which index source element context to create.
  */