fix namespace name reference

README.md

@@ -14,6 +14,8 @@ and also provides improved xperience over the tool as much you use it..
 # Technical information
 ---------------------
 
+This mod is named `toolranks`
+
 This ranktool is the tenplus1's version, featured custom values throught 
 configuration interface for dig speed, mutiplier and durability.
 

init.lua

@@ -1,7 +1,7 @@
 local S
 
 if minetest.get_translator ~= nil then
-    S = minetest.get_translator("toolrank") -- 5.x translation function
+    S = minetest.get_translator("toolranks") -- 5.x translation function
 else
     if minetest.get_modpath("intllib") then
 	dofile(minetest.get_modpath("intllib") .. "/init.lua")