Due to a problem in the Intel® Quartus® Prime Pro Edition software version 19.3, you may the names incorrectly displayed in the Fitter -> Placement -> RAM Summary report in the Compilation Report Panel. In the RAM Summary Report, when you double click the right border of the name column to show the full RAM name, the display may corrupt.
To work around this problem, check the RAM report in the "RAM Summary" section of <project_name>.fit.rpt file or export the RAM Summary report for further checking.
This problem is fixed beginning with version 20.3 of the Intel® Quartus® Prime Pro Edition software.