diff --git a/data/campaigns/Sceptre_of_Fire/utils/bigmap.cfg b/data/campaigns/Sceptre_of_Fire/utils/bigmap.cfg
index ec65f71432ad..634dfe010f60 100644
--- a/data/campaigns/Sceptre_of_Fire/utils/bigmap.cfg
+++ b/data/campaigns/Sceptre_of_Fire/utils/bigmap.cfg
@@ -1,3 +1,5 @@
+#textdomain wesnoth-sof
+
 #define SOF_BIGMAP
     [background_layer]
         image=maps/background.jpg
diff --git a/data/campaigns/Secrets_of_the_Ancients/utils/terrain_graphics.cfg b/data/campaigns/Secrets_of_the_Ancients/utils/terrain_graphics.cfg
index c4a149ae06dd..a005c4f2e8fe 100644
--- a/data/campaigns/Secrets_of_the_Ancients/utils/terrain_graphics.cfg
+++ b/data/campaigns/Secrets_of_the_Ancients/utils/terrain_graphics.cfg
@@ -1,3 +1,4 @@
+#textdomain wesnoth-sota
 #ifdef EDITOR
 [terrain_graphics]
     [tile]
diff --git a/data/campaigns/The_Rise_Of_Wesnoth/units/Kalian.cfg b/data/campaigns/The_Rise_Of_Wesnoth/units/Kalian.cfg
index b222973153b7..3436185a0927 100644
--- a/data/campaigns/The_Rise_Of_Wesnoth/units/Kalian.cfg
+++ b/data/campaigns/The_Rise_Of_Wesnoth/units/Kalian.cfg
@@ -1,4 +1,4 @@
-
+#textdomain wesnoth-trow
 # Cutscene-only unit, has no need of fancy animations
 [unit_type]
     id=Elvish Champion Kalian
diff --git a/data/campaigns/World_Conquest/_main.cfg b/data/campaigns/World_Conquest/_main.cfg
index 893949e4e1c7..c70825669119 100644
--- a/data/campaigns/World_Conquest/_main.cfg
+++ b/data/campaigns/World_Conquest/_main.cfg
@@ -1,6 +1,5 @@
-## MP Campaign (Scenarios in Multiplayer >> Random Maps)
-
 #textdomain wesnoth-wc
+## MP Campaign (Scenarios in Multiplayer >> Random Maps)
 
 [textdomain]
     name="wesnoth-wc"
diff --git a/data/campaigns/World_Conquest/config.cfg b/data/campaigns/World_Conquest/config.cfg
index e5d1161d3c39..414ffce7b241 100644
--- a/data/campaigns/World_Conquest/config.cfg
+++ b/data/campaigns/World_Conquest/config.cfg
@@ -1,3 +1,5 @@
+#textdomain wesnoth-wc
+
 #ifdef EDITOR
 #ifndef LOAD_WC2
 #define LOAD_WC2
diff --git a/data/campaigns/World_Conquest/era/campaign/heroes.cfg b/data/campaigns/World_Conquest/era/campaign/heroes.cfg
index bd1b1c5bcb22..133a43ba9de2 100644
--- a/data/campaigns/World_Conquest/era/campaign/heroes.cfg
+++ b/data/campaigns/World_Conquest/era/campaign/heroes.cfg
@@ -1,4 +1,4 @@
-##############################################################
+#textdomain wesnoth-wc
 
 #define WORLD_CONQUEST_II_ERA_HEROES_TRAITS
     [trait_extra]
diff --git a/data/campaigns/World_Conquest/era/era.cfg b/data/campaigns/World_Conquest/era/era.cfg
index 905ff8b75f71..cd030936393c 100644
--- a/data/campaigns/World_Conquest/era/era.cfg
+++ b/data/campaigns/World_Conquest/era/era.cfg
@@ -1,3 +1,4 @@
+#textdomain wesnoth-wc
 ## add subfolders
 {./factions}
 {./campaign}
diff --git a/data/campaigns/World_Conquest/resources/data/artifacts.cfg b/data/campaigns/World_Conquest/resources/data/artifacts.cfg
index 1406bd3daa50..2fea7edcd1c9 100644
--- a/data/campaigns/World_Conquest/resources/data/artifacts.cfg
+++ b/data/campaigns/World_Conquest/resources/data/artifacts.cfg
@@ -1,4 +1,4 @@
-
+#textdomain wesnoth-wc
 #define WORLD_CONQUEST_TEK_ARTIFACT_DEFINITIONS
     ## in alphabetic order by name
     ## uses some macros from training
diff --git a/data/campaigns/World_Conquest/resources/data/training.cfg b/data/campaigns/World_Conquest/resources/data/training.cfg
index 285623c1e162..914295ad94eb 100644
--- a/data/campaigns/World_Conquest/resources/data/training.cfg
+++ b/data/campaigns/World_Conquest/resources/data/training.cfg
@@ -1,4 +1,4 @@
-
+#textdomain wesnoth-wc
 #define WORLD_CONQUEST_TEK_TRAINER_DEFINITIONS
     [trainer]
         type=Lich
diff --git a/data/campaigns/World_Conquest/resources/resources.cfg b/data/campaigns/World_Conquest/resources/resources.cfg
index 5a1d4179d4c8..1e2212c25466 100644
--- a/data/campaigns/World_Conquest/resources/resources.cfg
+++ b/data/campaigns/World_Conquest/resources/resources.cfg
@@ -1,3 +1,4 @@
+#textdomain wesnoth-wc
 ## add subfolders
 {./data}
 {./strings}
diff --git a/data/campaigns/World_Conquest/scenarios/WC_II_scenario.cfg b/data/campaigns/World_Conquest/scenarios/WC_II_scenario.cfg
index 503b7fa52126..560eb799cffe 100644
--- a/data/campaigns/World_Conquest/scenarios/WC_II_scenario.cfg
+++ b/data/campaigns/World_Conquest/scenarios/WC_II_scenario.cfg
@@ -1,3 +1,4 @@
+#textdomain wesnoth-wc
 ## macros may not be used inside translatable strings.
 
 #define WC_II_CAMPAIGN_NAME_1P