Clarify CRS' hasAxisInverted

false by default but it can be set true if https://github.com/qgis/QGIS/blob/29d1de4dff40f8854529ab334a3146445a87e4ca/src/core/proj/qgscoordinatereferencesystem.cpp#L788 -> https://github.com/qgis/QGIS/blob/29d1de4dff40f8854529ab334a3146445a87e4ca/src/core/proj/qgsprojutils.cpp#L137 finds the first axis to read "north".

src/core/proj/qgscoordinatereferencesystem.h

@@ -836,7 +836,7 @@ class CORE_EXPORT QgsCoordinateReferenceSystem
     QgsProjOperation operation() const;
 
     /**
-     * Returns whether axis is inverted (e.g., for WMS 1.3) for the CRS.
+     * Returns whether axis is inverted (e.g., for WMS 1.3) for the CRS, i.e. if "north" is the first axis, instead of "east".
      * \returns TRUE if CRS axis is inverted
      */
     bool hasAxisInverted() const;