fix typo

python/gui/auto_generated/qgisinterface.sip.in

@@ -603,7 +603,7 @@ status bar (do not use the native Qt statusBar() method).
     virtual void takeAppScreenShots( const QString &saveDirectory, const int categories = 0 );
 %Docstring
 Take screenshots for user documentation
-@param saveDirectory path were the screenshots will be saved
+@param saveDirectory path where the screenshots will be saved
 @param categories an int as a flag value of QgsAppScreenShots.Categories
 
 .. versionadded:: 3.4

src/gui/qgisinterface.h

@@ -530,7 +530,7 @@ class GUI_EXPORT QgisInterface : public QObject
 
     /**
      * Take screenshots for user documentation
-     * @param saveDirectory path were the screenshots will be saved
+     * @param saveDirectory path where the screenshots will be saved
      * @param categories an int as a flag value of QgsAppScreenShots::Categories
      * \since QGIS 3.4
      */