More docstring fixes

python/gui/auto_generated/attributetable/qgsattributetablemodel.sip.in

@@ -193,12 +193,10 @@ Specify -1 as column to invalidate the cache
 
     void prefetchSortData( const QString &expression, unsigned long cacheIndex = 0 );
 %Docstring
-Prefetches the entire data for one expression. Based on this cached information
+Prefetches the entire data for an ``expression``. Based on this cached information
 the sorting can later be done in a performant way. A ``cacheIndex`` can be specified
 if multiple caches should be filled. In this case, the caches will be available
 as ``QgsAttributeTableModel.SortRole + cacheIndex``.
-
-:param expression: The expression to cache
 %End
 
     QString sortCacheExpression( unsigned long cacheIndex = 0 ) const;

src/gui/attributetable/qgsattributetablemodel.h

@@ -199,12 +199,10 @@ class GUI_EXPORT QgsAttributeTableModel: public QAbstractTableModel
     void prefetchColumnData( int column );
 
     /**
-     * Prefetches the entire data for one expression. Based on this cached information
+     * Prefetches the entire data for an \a expression. Based on this cached information
      * the sorting can later be done in a performant way. A \a cacheIndex can be specified
      * if multiple caches should be filled. In this case, the caches will be available
      * as ``QgsAttributeTableModel::SortRole + cacheIndex``.
-     *
-     * \param expression The expression to cache
      */
     void prefetchSortData( const QString &expression, unsigned long cacheIndex = 0 );