diff --git a/data/json/overmap/overmap_land_use_codes.json b/data/json/overmap/overmap_land_use_codes.json
index 2e653fdd7adac..86fa5b6d95126 100644
--- a/data/json/overmap/overmap_land_use_codes.json
+++ b/data/json/overmap/overmap_land_use_codes.json
@@ -4,7 +4,8 @@
     "type": "overmap_land_use_code",
     "id": "",
     "sym": "#",
-    "color": "white"
+    "color": "white",
+    "detailed_definition": ""
   },
   {
     "type": "overmap_land_use_code",
diff --git a/data/json/overmap/overmap_terrain/overmap_terrain_necropolis.json b/data/json/overmap/overmap_terrain/overmap_terrain_necropolis.json
index a73bcd617c371..a35ab83f79ca7 100644
--- a/data/json/overmap/overmap_terrain/overmap_terrain_necropolis.json
+++ b/data/json/overmap/overmap_terrain/overmap_terrain_necropolis.json
@@ -315,6 +315,7 @@
   {
     "type": "overmap_terrain",
     "abstract": "generic_necropolis_underground",
+    "name": "underground",
     "color": "yellow",
     "see_cost": 999,
     "mondensity": 2
diff --git a/data/json/species.json b/data/json/species.json
index 0585be37a2dac..36a7e8b4051ad 100644
--- a/data/json/species.json
+++ b/data/json/species.json
@@ -137,7 +137,8 @@
   },
   {
     "type": "SPECIES",
-    "id": "HALLUCINATION"
+    "id": "HALLUCINATION",
+    "description": "your imagination"
   },
   {
     "type": "SPECIES",
@@ -146,6 +147,7 @@
   },
   {
     "type": "SPECIES",
-    "id": "UNKNOWN"
+    "id": "UNKNOWN",
+    "description": "a bug"
   }
 ]
diff --git a/data/mods/DinoMod/monsters/dinosaur.json b/data/mods/DinoMod/monsters/dinosaur.json
index d5b55397d06e8..45a57bae801cb 100644
--- a/data/mods/DinoMod/monsters/dinosaur.json
+++ b/data/mods/DinoMod/monsters/dinosaur.json
@@ -3,7 +3,8 @@
     "type": "SPECIES",
     "id": "DINOSAUR",
     "//": "Capping these at 1000 L and kg to prevent bodies and meat disappearing and vision at 50 for less aggro",
-    "fear_triggers": [ "FIRE" ]
+    "fear_triggers": [ "FIRE" ],
+    "description": "A dinosaur."
   },
   {
     "type": "MONSTER",
diff --git a/data/mods/Magiclysm/monsters/demon_spider.json b/data/mods/Magiclysm/monsters/demon_spider.json
index d0e74e158df4d..8686c351b0e88 100644
--- a/data/mods/Magiclysm/monsters/demon_spider.json
+++ b/data/mods/Magiclysm/monsters/demon_spider.json
@@ -2,6 +2,7 @@
   {
     "type": "SPECIES",
     "id": "DEMON_SPIDER",
+    "description": "A huge spider.",
     "anger_triggers": [ "FRIEND_DIED", "HURT", "PLAYER_CLOSE", "PLAYER_WEAK" ]
   },
   {
diff --git a/data/mods/Magiclysm/species.json b/data/mods/Magiclysm/species.json
index d5a089a4a6c34..63e5f0e852b85 100644
--- a/data/mods/Magiclysm/species.json
+++ b/data/mods/Magiclysm/species.json
@@ -1,22 +1,26 @@
 [
   {
     "type": "SPECIES",
-    "id": "MAGICAL_BEAST"
+    "id": "MAGICAL_BEAST",
+    "description": "A magical beast."
   },
   {
     "type": "SPECIES",
     "id": "DRAGON",
+    "description": "A dragon.",
     "anger_triggers": [ "HURT", "PLAYER_CLOSE", "PLAYER_WEAK", "STALK" ]
   },
   {
     "type": "SPECIES",
     "id": "LIZARDFOLK",
+    "description": "A lizard-like humanoid.",
     "anger_triggers": [ "FRIEND_ATTACKED" ],
     "fear_triggers": [ "FIRE" ]
   },
   {
     "type": "SPECIES",
     "id": "GOBLIN",
+    "description": "A short and cruel humanoid.",
     "anger_triggers": [ "HURT", "FRIEND_ATTACKED", "PLAYER_WEAK" ]
   }
 ]
diff --git a/lang/extract_json_strings.py b/lang/extract_json_strings.py
index 8611ffffb6385..62c56584e2fc1 100755
--- a/lang/extract_json_strings.py
+++ b/lang/extract_json_strings.py
@@ -41,7 +41,9 @@ def __str__(self):
 # no warning will be given if an untranslatable object is found in those files
 warning_suppressed_list = {os.path.normpath(i) for i in {
     "data/json/flags.json",
+    "data/json/npcs/npc.json",
     "data/json/overmap_terrain.json",
+    "data/json/statistics.json",
     "data/json/traps.json",
     "data/json/vehicleparts/",
     "data/raw/keybindings.json",
@@ -49,7 +51,7 @@ def __str__(self):
     "data/mods/DeoxyMod/Deoxy_vehicle_parts.json",
     "data/mods/More_Survival_Tools/start_locations.json",
     "data/mods/NPC_Traits/npc_classes.json",
-    "data/mods/Tanks/monsters.json"
+    "data/mods/Tanks/monsters.json",
 }}
 
 
diff --git a/lang/update_pot.sh b/lang/update_pot.sh
index e4779639e7bb3..0a46d9b3ccc88 100755
--- a/lang/update_pot.sh
+++ b/lang/update_pot.sh
@@ -51,7 +51,12 @@ then
     pot_file="lang/po/cataclysm-dda.pot"
     sed -e "1,6d" \
     -e "s/^\"Project-Id-Version:.*\"$/\"Project-Id-Version: $package $version\\\n\"/1" \
-    -e "/\"Plural-Forms:.*\"$/d" $pot_file > $pot_file.temp
+    -e "/\"Plural-Forms:.*\"$/d" \
+    -e "s/^\"PO-Revision-Date:.*\"$/\"PO-Revision-Date: $(date +%Y-%m-%d\\\ %H:%M%z)\\\n\"/1" \
+    -e "s/^\"Last-Translator:.*\"$/\"Last-Translator: None\\\n\"/1" \
+    -e "s/^\"Language-Team:.*\"$/\"Language-Team: None\\\n\"/1" \
+    -e "s/^\"Language:.*\"$/\"Language: en\\\n\"/1" \
+    $pot_file > $pot_file.temp
     mv $pot_file.temp $pot_file
 fi