diff --git a/playback.lua b/playback.lua
index f49e61a..d9789ab 100644
--- a/playback.lua
+++ b/playback.lua
@@ -37,6 +37,8 @@ local function playback(ctx)
             -- resolve absolute position
             local abs_pos1 = vector.add(ctx.origin, entry.pos1)
             pick_and_place.deserialize(abs_pos1, schematic)
+        else
+            minetest.chat_send_player(ctx.playername, "pnp playback: template not found: '" .. entry.name .. "'")
         end
     elseif entry.type == "remove" then
         local abs_pos1 = vector.add(ctx.origin, entry.pos1)
diff --git a/record.lua b/record.lua
index 9579d98..13734de 100644
--- a/record.lua
+++ b/record.lua
@@ -49,7 +49,7 @@ minetest.register_chatcommand("pnp_record_load", {
 
 
 minetest.register_chatcommand("pnp_record", {
-    params = "[origin|start|info|stop|reset|play]",
+    params = "[origin|start|info|pause|reset|play]",
     description = "manages the recording state or plays the current recording",
     func = function(name, param)
         if param == "origin" then
@@ -66,7 +66,7 @@ minetest.register_chatcommand("pnp_record", {
         end
 
         if not origin then
-            return false, "origin not set, please use /pnp_record_origin first"
+            return false, "origin not set, please use '/pnp_record origin' first"
         end
 
         if param == "start" then
diff --git a/registry.lua b/registry.lua
index 52a679b..59326a3 100644
--- a/registry.lua
+++ b/registry.lua
@@ -4,7 +4,7 @@
 local registry = {}
 
 function pick_and_place.register_template(name, pos1, pos2)
-    registry[name] = { pos1=pos1, pos2=pos2}
+    registry[name] = { pos1=pos1, pos2=pos2 }
 end
 
 function pick_and_place.get_template(name)