Fix typo

Change-Id: Iaf8b25dea7251ce535903ed24581ba80c5ac217f
Reviewed-on: https://gerrit.libreoffice.org/72567Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Tested-by: Julien Nabet <serval2412@yahoo.fr>

svtools/source/table/tablecontrol_impl.cxx

@@ -2054,7 +2054,7 @@ namespace svt { namespace table
                 m_pVScroll->SetThumbPos( m_nTopRow );
         }
 
-        // The scroll bar availaility might change when we scrolled.
+        // The scroll bar availability might change when we scrolled.
         // For instance, imagine a view with 10 rows, if which 5 fit into the window, numbered 1 to 10.
         // Now let
         // - the user scroll to row number 6, so the last 5 rows are visible
@@ -2129,7 +2129,7 @@ namespace svt { namespace table
                 m_pHScroll->SetThumbPos( m_nLeftColumn );
         }
 
-        // The scroll bar availaility might change when we scrolled. This is because we do not hide
+        // The scroll bar availability might change when we scrolled. This is because we do not hide
         // the scrollbar when it is, in theory, unnecessary, but currently at a position > 0. In this case, it will
         // be auto-hidden when it's scrolled back to pos 0.
         if ( m_nLeftColumn == 0 )