diff --git a/data/json/mapgen/house/house_modern_lx.json b/data/json/mapgen/house/house_modern_lx.json
index 51d619d39e75..0ca52b7ca101 100644
--- a/data/json/mapgen/house/house_modern_lx.json
+++ b/data/json/mapgen/house/house_modern_lx.json
@@ -144,14 +144,14 @@
         "2": {
           "chunks": [
             [ "null", 50 ],
-            [ "room_6x6_brewer_N", 10 ],
-            [ "room_6x6_junk", 30 ],
-            [ "room_6x6_office_N", 30 ],
+            [ "room_6x6_brewer_E", 10 ],
+            [ "room_6x6_junk_E", 30 ],
+            [ "room_6x6_office_E", 30 ],
             [ "6x6_sewing_open", 20 ],
             [ "6x6_electronics_open", 10 ],
-            [ "room_6x6_brewer_W", 10 ],
-            [ "room_6x6_junk_W", 30 ],
-            [ "room_6x6_office_W", 30 ]
+            [ "room_6x6_brewer_S", 10 ],
+            [ "room_6x6_junk_S", 30 ],
+            [ "room_6x6_office_S", 30 ]
           ]
         }
       }
diff --git a/data/json/mapgen/mansion_roof.json b/data/json/mapgen/mansion_roof.json
index 2ddddeb281ae..62933d08c727 100644
--- a/data/json/mapgen/mansion_roof.json
+++ b/data/json/mapgen/mansion_roof.json
@@ -86,7 +86,7 @@
         "        |2222223        ",
         "        |......3        ",
         "       ||......322222222",
-        "     |.................3",
+        "     |||...............3",
         "     |..ooo............3",
         "     |..ooo............3",
         "     |..ooo............3",
diff --git a/doc/src/content/docs/en/mod/json/reference/graphics/external_tileset.md b/doc/src/content/docs/en/mod/json/reference/graphics/external_tileset.md
index b88aea911080..0f11c64a3a80 100644
--- a/doc/src/content/docs/en/mod/json/reference/graphics/external_tileset.md
+++ b/doc/src/content/docs/en/mod/json/reference/graphics/external_tileset.md
@@ -101,4 +101,3 @@ contains alternative sprites for:
 - `CANINE_EARS`
 - `TAIL_FLUFFY`
 - `TAIL_STUB`
-