diff --git a/game/theater/caucasus.py b/game/theater/caucasus.py
index 8d0d0adc..6b1cb67e 100644
--- a/game/theater/caucasus.py
+++ b/game/theater/caucasus.py
@@ -1,3 +1,5 @@
+# DO NOT EDIT:
+# This file is generated by resources/tools/export_coordinates.py.
 from game.theater.projections import TransverseMercator
 
 PARAMETERS = TransverseMercator(
diff --git a/game/theater/marianaislands.py b/game/theater/marianaislands.py
index b5ddd5e1..3fc39672 100644
--- a/game/theater/marianaislands.py
+++ b/game/theater/marianaislands.py
@@ -1,3 +1,5 @@
+# DO NOT EDIT:
+# This file is generated by resources/tools/export_coordinates.py.
 from game.theater.projections import TransverseMercator
 
 PARAMETERS = TransverseMercator(
diff --git a/game/theater/nevada.py b/game/theater/nevada.py
index ad245611..e18700d6 100644
--- a/game/theater/nevada.py
+++ b/game/theater/nevada.py
@@ -1,3 +1,5 @@
+# DO NOT EDIT:
+# This file is generated by resources/tools/export_coordinates.py.
 from game.theater.projections import TransverseMercator
 
 PARAMETERS = TransverseMercator(
diff --git a/game/theater/normandy.py b/game/theater/normandy.py
index a74c692d..8f91ab78 100644
--- a/game/theater/normandy.py
+++ b/game/theater/normandy.py
@@ -1,3 +1,5 @@
+# DO NOT EDIT:
+# This file is generated by resources/tools/export_coordinates.py.
 from game.theater.projections import TransverseMercator
 
 PARAMETERS = TransverseMercator(
diff --git a/game/theater/persiangulf.py b/game/theater/persiangulf.py
index 600801dd..69ce5288 100644
--- a/game/theater/persiangulf.py
+++ b/game/theater/persiangulf.py
@@ -1,3 +1,5 @@
+# DO NOT EDIT:
+# This file is generated by resources/tools/export_coordinates.py.
 from game.theater.projections import TransverseMercator
 
 PARAMETERS = TransverseMercator(
diff --git a/game/theater/syria.py b/game/theater/syria.py
index 7fe83db3..6daff280 100644
--- a/game/theater/syria.py
+++ b/game/theater/syria.py
@@ -1,3 +1,5 @@
+# DO NOT EDIT:
+# This file is generated by resources/tools/export_coordinates.py.
 from game.theater.projections import TransverseMercator
 
 PARAMETERS = TransverseMercator(
diff --git a/game/theater/thechannel.py b/game/theater/thechannel.py
index 33137bd7..0ac20788 100644
--- a/game/theater/thechannel.py
+++ b/game/theater/thechannel.py
@@ -1,3 +1,5 @@
+# DO NOT EDIT:
+# This file is generated by resources/tools/export_coordinates.py.
 from game.theater.projections import TransverseMercator
 
 PARAMETERS = TransverseMercator(
diff --git a/resources/tools/export_coordinates.py b/resources/tools/export_coordinates.py
index 34006640..e59c90d0 100644
--- a/resources/tools/export_coordinates.py
+++ b/resources/tools/export_coordinates.py
@@ -241,6 +241,8 @@ def main() -> None:
     out_file.write_text(
         textwrap.dedent(
             f"""\
+            # DO NOT EDIT:
+            # This file is generated by resources/tools/export_coordinates.py.
             from game.theater.projections import TransverseMercator
 
             PARAMETERS = TransverseMercator(