Fix typos

Examples/lua/embed3/runme.lua

@@ -1,7 +1,7 @@
 print "[lua] This is runme.lua"
--- test program for embeded lua
--- we do not need to load the library, as it was already in the intrepreter
--- but lets check anyway
+-- test program for embedded lua
+-- we do not need to load the library, as it was already in the interpreter
+-- but let's check anyway
 
 assert(type(example)=='table',"Don't appear to have loaded the example module. Do not run this file directly, run the embed3 executable")
 
@@ -13,12 +13,12 @@ else
 end
 
 
--- the embed program expects a function void onEvent(Event)
+-- the embedded program expects a function void onEvent(Event)
 -- this is it
 
 function onEvent(e)
     print("[Lua] onEvent with event",e.mType)
-    -- lets do something with the Engine
+    -- let's do something with the Engine
     -- nothing clever, but ...
     if e.mType==example.Event_STARTUP then
         pEngine:start()