diff --git a/moremesecons_adjustable_player_detector/init.lua b/moremesecons_adjustable_player_detector/init.lua
index 4725fb1..a526068 100644
--- a/moremesecons_adjustable_player_detector/init.lua
+++ b/moremesecons_adjustable_player_detector/init.lua
@@ -4,7 +4,7 @@
 
 local function make_formspec(meta)
 	meta:set_string("formspec", "size[9,5]" ..
-		"field[0.3,  0;9,2;scanname;Coma-separated list of the names of players to scan for (empty for any):;${scanname}]"..
+		"field[0.3,  0;9,2;scanname;Comma-separated list of the names of players to scan for (empty for any):;${scanname}]"..
 		"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
 		"field[0.3,3;4,2;radius;Detection radius:;${radius}]"..
 		"button_exit[3.5,3.5;2,3;;Save]")
diff --git a/moremesecons_commandblock/init.lua b/moremesecons_commandblock/init.lua
index 77ce1d7..ee3a1e1 100644
--- a/moremesecons_commandblock/init.lua
+++ b/moremesecons_commandblock/init.lua
@@ -52,11 +52,11 @@ local function receive_fields(pos, _, fields, player)
 end
 
 local function resolve_commands(commands, pos)
-	local nearest = nil
+	local nearest = ""
 	local min_distance = math.huge
 	local players = minetest.get_connected_players()
 	for _, player in pairs(players) do
-		local distance = vector.distance(pos, player:getpos())
+		local distance = vector.distance(pos, player:get_pos())
 		if distance < min_distance then
 			min_distance = distance
 			nearest = player:get_player_name()
diff --git a/moremesecons_entity_detector/init.lua b/moremesecons_entity_detector/init.lua
index 7b29f9e..eaa747b 100644
--- a/moremesecons_entity_detector/init.lua
+++ b/moremesecons_entity_detector/init.lua
@@ -4,7 +4,7 @@
 
 local function make_formspec(meta)
 	meta:set_string("formspec", "size[9,5]" ..
-		"field[0.3,  0;9,2;scanname;Coma-separated list of the names (itemstring) of entities to scan for (empty for any):;${scanname}]"..
+		"field[0.3,  0;9,2;scanname;Comma-separated list of the names (itemstring) of entities to scan for (empty for any):;${scanname}]"..
 		"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
 		"field[0.3,3;2,2;radius;Detection radius:;${radius}]"..
 		"button_exit[3.5,3.5;2,3;;Save]")