diff --git a/KiCad.gitignore b/KiCad.gitignore
index 208bc4fc591b2af2a6dd12e6b88445d283e76eb9..198392e551e4b3fb6aa42bca181840a3480b83b5 100644
--- a/KiCad.gitignore
+++ b/KiCad.gitignore
@@ -1,4 +1,5 @@
 # For PCBs designed using KiCad: http://www.kicad-pcb.org/
+# Format documentation: http://kicad-pcb.org/help/file-formats/
 
 # Temporary files
 *.000
@@ -8,6 +9,10 @@
 *~
 _autosave-*
 *.tmp
+*-cache.lib
+*-rescue.lib
+*-save.pro
+*-save.kicad_pcb
 
 # Netlist files (exported from Eeschema)
 *.net