diff --git a/include/holidays/ca.rem b/include/holidays/ca.rem
index 8b701bd0..092778fa 100644
--- a/include/holidays/ca.rem
+++ b/include/holidays/ca.rem
@@ -1,11 +1,13 @@
 # Canadian Federal Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-# You should probably NOT include this file directly!  Instead, for
-# all of the statutory holidays of the province you live in, use:
-# INCLUDE [$SysInclude]/ca/XY.rem where XY is the two-letter
-# abbreviation for yoru province.  For example, if you live in
-# Ontario, use:  INCLUDE [$SysInclude]/ca/on.rem
+# NOTE: This file ONLY includes Federal holidays that are observed throughout
+# Canada.  You should also include the appropriate file for the province
+# or territory where you live to get all of the statutory holidays for
+# that province.  For example, if you live in Ontario, use:
+#
+# INCLUDE [$SysInclude]/ca.rem
+# INCLUDE [$SysInclude]/ca/on.rem
 
 OMIT 1 Jan MSG New Year's Day
 OMIT 1 July MSG Canada Day
diff --git a/include/holidays/ca/ab.rem b/include/holidays/ca/ab.rem
index a60cdb04..9c1fc976 100644
--- a/include/holidays/ca/ab.rem
+++ b/include/holidays/ca/ab.rem
@@ -1,7 +1,9 @@
 # Alberta Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Alberta.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM Third Monday in Feb SCANFROM -7 ADDOMIT MSG Family Day
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day
diff --git a/include/holidays/ca/bc.rem b/include/holidays/ca/bc.rem
index 32ec57fc..6fffcafd 100644
--- a/include/holidays/ca/bc.rem
+++ b/include/holidays/ca/bc.rem
@@ -1,7 +1,9 @@
 # British Columbia Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for British Columbia.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM Third Monday in Feb SCANFROM -7 ADDOMIT MSG Family Day
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day
diff --git a/include/holidays/ca/mb.rem b/include/holidays/ca/mb.rem
index 9fb17fd6..8d46ab0c 100644
--- a/include/holidays/ca/mb.rem
+++ b/include/holidays/ca/mb.rem
@@ -1,7 +1,9 @@
 # Manitoba Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Manitoba.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 REM Third Monday in Feb SCANFROM -7 ADDOMIT MSG Louis Riel Day
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day
diff --git a/include/holidays/ca/nb.rem b/include/holidays/ca/nb.rem
index 9890e7d6..5fec12c5 100644
--- a/include/holidays/ca/nb.rem
+++ b/include/holidays/ca/nb.rem
@@ -1,7 +1,9 @@
 # New Brunswick Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for New Brunswick.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 REM Third Monday in Feb SCANFROM -7 ADDOMIT MSG Family Day
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM First Monday in Aug SCANFROM -7 ADDOMIT MSG Civic Holiday
diff --git a/include/holidays/ca/nl.rem b/include/holidays/ca/nl.rem
index 71516e11..37425396 100644
--- a/include/holidays/ca/nl.rem
+++ b/include/holidays/ca/nl.rem
@@ -1,7 +1,9 @@
 # Newfoundland and Labrador Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Newfoundland and Labrador.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 OMIT 17 March MSG St. Patrick's Day
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 OMIT 23 April MSG St. George's Day
diff --git a/include/holidays/ca/ns.rem b/include/holidays/ca/ns.rem
index 1a1e7bfe..0d5b8282 100644
--- a/include/holidays/ca/ns.rem
+++ b/include/holidays/ca/ns.rem
@@ -1,7 +1,9 @@
 # Nova Scotia Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Nova Scotia.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 REM Third Monday in Feb SCANFROM -7 ADDOMIT MSG Heritage Day
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM 11 November MSG Remembrance Day
diff --git a/include/holidays/ca/nt.rem b/include/holidays/ca/nt.rem
index c4d917f3..00d89678 100644
--- a/include/holidays/ca/nt.rem
+++ b/include/holidays/ca/nt.rem
@@ -1,7 +1,9 @@
 # Northwest Territories Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for the Northwest Territories.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day
 OMIT 21 June MSG National Aboriginal Day
diff --git a/include/holidays/ca/nu.rem b/include/holidays/ca/nu.rem
index 265c90fe..51e45c8c 100644
--- a/include/holidays/ca/nu.rem
+++ b/include/holidays/ca/nu.rem
@@ -1,7 +1,9 @@
 # Nunavut Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Nunavut.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day
 OMIT 9 July MSG Nunavut Day
diff --git a/include/holidays/ca/on.rem b/include/holidays/ca/on.rem
index 4a83d934..6cfa7642 100644
--- a/include/holidays/ca/on.rem
+++ b/include/holidays/ca/on.rem
@@ -1,7 +1,9 @@
 # Ontario Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Ontario.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 REM Third Monday in Feb SCANFROM -7 ADDOMIT MSG Family Day
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day
diff --git a/include/holidays/ca/pe.rem b/include/holidays/ca/pe.rem
index 46335b09..cf523d2d 100644
--- a/include/holidays/ca/pe.rem
+++ b/include/holidays/ca/pe.rem
@@ -1,7 +1,9 @@
 # Prince Edward Island Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Prince Edward Island.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM First Monday in Aug SCANFROM -7 ADDOMIT MSG Islander Day
 OMIT 11 November MSG Remembrance Day
diff --git a/include/holidays/ca/qc.rem b/include/holidays/ca/qc.rem
index 1e732046..ba70b3c6 100644
--- a/include/holidays/ca/qc.rem
+++ b/include/holidays/ca/qc.rem
@@ -1,7 +1,9 @@
 # Quebec Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Quebec.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 OMIT [easterdate($Uy) + 1] MSG Easter Monday
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day
 OMIT 24 June MSG Fête Nationale
diff --git a/include/holidays/ca/sk.rem b/include/holidays/ca/sk.rem
index e48bf1d8..1ac73005 100644
--- a/include/holidays/ca/sk.rem
+++ b/include/holidays/ca/sk.rem
@@ -1,7 +1,9 @@
 # Saskatchewan Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Saskatchewan.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM Third Monday in Feb SCANFROM -7 ADDOMIT MSG Family Day
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day
diff --git a/include/holidays/ca/yt.rem b/include/holidays/ca/yt.rem
index 222d4b32..3b66fcbf 100644
--- a/include/holidays/ca/yt.rem
+++ b/include/holidays/ca/yt.rem
@@ -1,7 +1,9 @@
 # Yukon Territory Holidays
 # SPDX-License-Identifier: GPL-2.0-only
 
-DO ../ca.rem
+# NOTE: This file includes holidays only for Yukon Territory.
+# To get Federal holidays as well, INCLUDE [$SysInclude]/ca.rem
+
 REM Third Monday in Feb SCANFROM -7 ADDOMIT MSG Discovery Day
 OMIT [easterdate($Uy) - 2] MSG Good Friday
 REM Mon 18 May SCANFROM -7 ADDOMIT MSG Victoria Day