diff --git a/roms/atari/2600/README.md b/roms/atari/2600/README.md
index 8c50fe8b5..26efe4abe 100644
--- a/roms/atari/2600/README.md
+++ b/roms/atari/2600/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/atari/800/README.md b/roms/atari/800/README.md
index 86a8ac7d3..ceebff49c 100644
--- a/roms/atari/800/README.md
+++ b/roms/atari/800/README.md
@@ -42,8 +42,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/atari/jaguar/README.md b/roms/atari/jaguar/README.md
index d7047dc56..01d997b58 100644
--- a/roms/atari/jaguar/README.md
+++ b/roms/atari/jaguar/README.md
@@ -42,8 +42,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/atari/st/README.md b/roms/atari/st/README.md
index 761804c92..9d44ccc40 100644
--- a/roms/atari/st/README.md
+++ b/roms/atari/st/README.md
@@ -42,8 +42,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/commodore/amiga/README.md b/roms/commodore/amiga/README.md
index def4b37f7..d214088a6 100644
--- a/roms/commodore/amiga/README.md
+++ b/roms/commodore/amiga/README.md
@@ -42,8 +42,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/computers/msx/README.md b/roms/computers/msx/README.md
index 19c21fc31..a7545c37d 100644
--- a/roms/computers/msx/README.md
+++ b/roms/computers/msx/README.md
@@ -42,8 +42,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/computers/zxspectrum/README.md b/roms/computers/zxspectrum/README.md
index 4b63ca3ab..ee1c0b61e 100644
--- a/roms/computers/zxspectrum/README.md
+++ b/roms/computers/zxspectrum/README.md
@@ -42,8 +42,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/handheld-other/pokemini/README.md b/roms/handheld-other/pokemini/README.md
index e7bdaf779..85849182e 100644
--- a/roms/handheld-other/pokemini/README.md
+++ b/roms/handheld-other/pokemini/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/handheld-other/wonderswan/README.md b/roms/handheld-other/wonderswan/README.md
index 898594742..048817a4b 100644
--- a/roms/handheld-other/wonderswan/README.md
+++ b/roms/handheld-other/wonderswan/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/handheld-other/wonderswancolor/README.md b/roms/handheld-other/wonderswancolor/README.md
index 0b93387ff..777d3d002 100644
--- a/roms/handheld-other/wonderswancolor/README.md
+++ b/roms/handheld-other/wonderswancolor/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/microsoft/msdos/README.md b/roms/microsoft/msdos/README.md
index 7073f5564..a7d9d41b1 100644
--- a/roms/microsoft/msdos/README.md
+++ b/roms/microsoft/msdos/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/nec/pcengine/README.md b/roms/nec/pcengine/README.md
index f81f056bb..476db25fb 100644
--- a/roms/nec/pcengine/README.md
+++ b/roms/nec/pcengine/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/nintendo/gb/README.md b/roms/nintendo/gb/README.md
index ca693c159..5c78526aa 100644
--- a/roms/nintendo/gb/README.md
+++ b/roms/nintendo/gb/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/nintendo/gba/README.md b/roms/nintendo/gba/README.md
index a17abac3b..f156f22ac 100644
--- a/roms/nintendo/gba/README.md
+++ b/roms/nintendo/gba/README.md
@@ -42,8 +42,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/nintendo/gbc/README.md b/roms/nintendo/gbc/README.md
index b65f3902d..2153299f6 100644
--- a/roms/nintendo/gbc/README.md
+++ b/roms/nintendo/gbc/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/nintendo/n64/README.md b/roms/nintendo/n64/README.md
index db7008e1b..e93452a22 100644
--- a/roms/nintendo/n64/README.md
+++ b/roms/nintendo/n64/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/nintendo/nes/README.md b/roms/nintendo/nes/README.md
index a5b1fe0ce..7969cfdb9 100644
--- a/roms/nintendo/nes/README.md
+++ b/roms/nintendo/nes/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/nintendo/snes/README.md b/roms/nintendo/snes/README.md
index d3ff8e3e2..49ec64731 100644
--- a/roms/nintendo/snes/README.md
+++ b/roms/nintendo/snes/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/nintendo/virtualboy/README.md b/roms/nintendo/virtualboy/README.md
index 28fa19ca3..0aa388368 100644
--- a/roms/nintendo/virtualboy/README.md
+++ b/roms/nintendo/virtualboy/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/sega/gamegear/README.md b/roms/sega/gamegear/README.md
index 744902dc5..34d4258af 100644
--- a/roms/sega/gamegear/README.md
+++ b/roms/sega/gamegear/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/sega/mastersystem/README.md b/roms/sega/mastersystem/README.md
index 1b58658d4..a9f075228 100644
--- a/roms/sega/mastersystem/README.md
+++ b/roms/sega/mastersystem/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/sega/megadrive/README.md b/roms/sega/megadrive/README.md
index 5baa669b7..25e4dfda8 100644
--- a/roms/sega/megadrive/README.md
+++ b/roms/sega/megadrive/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/sega/sega32x/README.md b/roms/sega/sega32x/README.md
index 5f73c9aff..02808680a 100644
--- a/roms/sega/sega32x/README.md
+++ b/roms/sega/sega32x/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/sega/sg1000/README.md b/roms/sega/sg1000/README.md
index d53096366..83192e5ac 100644
--- a/roms/sega/sg1000/README.md
+++ b/roms/sega/sg1000/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/snk/ngp/README.md b/roms/snk/ngp/README.md
index d21e98beb..6c295aa4b 100644
--- a/roms/snk/ngp/README.md
+++ b/roms/snk/ngp/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs
diff --git a/roms/snk/ngpc/README.md b/roms/snk/ngpc/README.md
index 2ef682688..0a3b24dff 100644
--- a/roms/snk/ngpc/README.md
+++ b/roms/snk/ngpc/README.md
@@ -35,8 +35,7 @@ Forbidden (do not drop here):
 ## Gitignore behaviour
 
 Every file in this folder except this `README.md` is
-gitignored via the root `roms/.gitignore` rule (`*` +
-`!*/` + `!**/README.md`). Drop ROMs confidently — git will
+gitignored via the root `roms/.gitignore` rule (`*` + `!*/` + `!/README.md` + `!/*/README.md` + `!/*/*/README.md`). Drop ROMs confidently — git will
 not accidentally track them.
 
 ## Cross-refs