diff --git a/README.md b/README.md
index 16a6110..3c8eba4 100644
--- a/README.md
+++ b/README.md
@@ -180,10 +180,10 @@ an error is raised,
 lume.reduce({1, 2, 3}, function(a, b) return a + b end) -- Returns 6
 ```
 
-#### lume.set(t)
+#### lume.unique(t)
 Returns a copy of the `t` array with all the duplicate values removed.
 ```lua
-lume.set({2, 1, 2, "cat", "cat"}) -- Returns {1, 2, "cat"}
+lume.unique({2, 1, 2, "cat", "cat"}) -- Returns {1, 2, "cat"}
 ```
 
 #### lume.filter(t, fn [, retainkeys])
diff --git a/lume.lua b/lume.lua
index 3d2a800..9958f85 100644
--- a/lume.lua
+++ b/lume.lua
@@ -287,7 +287,7 @@ function lume.reduce(t, fn, first)
 end
 
 
-function lume.set(t)
+function lume.unique(t)
   local rtn = {}
   for k in pairs(lume.invert(t)) do
     rtn[#rtn + 1] = k
diff --git a/test/test.lua b/test/test.lua
index fd4b6f2..e81d2c5 100644
--- a/test/test.lua
+++ b/test/test.lua
@@ -257,13 +257,13 @@ tests["lume.reduce"] = function()
   tester.test.error(lume.reduce, {}, add)
 end
 
--- lume.set
-tests["lume.set"] = function()
-  testeq( lume.set({}), {} )
-  local t = lume.set({1, 2, 3, 2, 5, 6, 6})
+-- lume.unique
+tests["lume.unique"] = function()
+  testeq( lume.unique({}), {} )
+  local t = lume.unique({1, 2, 3, 2, 5, 6, 6})
   table.sort(t)
   testeq( t, {1, 2, 3, 5, 6} )
-  local t = lume.set({"a", "b", "c", "b", "d"})
+  local t = lume.unique({"a", "b", "c", "b", "d"})
   table.sort(t)
   testeq( t, {"a", "b", "c", "d"} )
 end