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 # PCIexpress-KiCad
 PCI Express™ libraries and templates for KiCad
-Made using guidelines from PCI Express™ Card Electromechanical Specification Rev. 1.2 and PCI Express™ M.2 Specification Revision 1.0
+Made using guidelines from PCI Express™ Card Electromechanical Specification Rev. 4.0 Version 0.9 and PCI Express™ M.2 Specification Revision 1.0
 
 Updated for KiCad 9.0.1