diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..6fb308f
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT) http://opensource.org/licenses/MIT
+
+Copyright (c) 2013-2014 Thijs Schreijer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/README.md b/README.md
index 8d9fe09..2b0bbfd 100644
--- a/README.md
+++ b/README.md
@@ -14,12 +14,15 @@ Lua Date and Time module for Lua 5.x.
 * Lua module (not binary).
 * Formats Date and Time like strftime.
 
+## License
+[MIT license](http://opensource.org/licenses/MIT).
+
 ## Tests
 
 Tests are located in the `spec` directory and can be run using [busted](http://olivinelabs.com/busted/).
 
 ##Changes:
 
-- v2.1.1 fix for '>=' operator, initial setup of test suite, added Travis CI
+- v2.1.1 fix for '>=' operator, added test suite, added Travis CI, license MIT
 - v2.1 Lua 5.2 support. Global 'date' will no longer be set.
 - v2.0 original by Jas Latrix
\ No newline at end of file
diff --git a/date-2.1.0-2.rockspec b/date-2.1.0-2.rockspec
index cb677f3..ae55f32 100644
--- a/date-2.1.0-2.rockspec
+++ b/date-2.1.0-2.rockspec
@@ -1,5 +1,5 @@
 package = "date"
-version = "2.1.0-2"
+version = "2.1.1-2"
 
 description = {
    summary = "Date & Time module for Lua 5.x",
@@ -8,7 +8,7 @@ description = {
       parsing, time addition & subtraction, time span calculation, support for
       ISO 8601 Dates, local time support, strftime-like formatting.
    ]],
-   license = "Public Domain",
+   license = "MIT",
    homepage = "https://github.com/Tieske/date",
 }
 
@@ -17,8 +17,8 @@ dependencies = {
 }
 
 source = {
-   url = "https://github.com/Tieske/date/archive/version_2.1.tar.gz",
-   dir = "date-version_2.1",
+   url = "https://github.com/Tieske/date/archive/version_2.1.1.tar.gz",
+   dir = "date-version_2.1.1",
 }
 
 build = {
diff --git a/date.lua b/date.lua
index c90d8a6..998947b 100644
--- a/date.lua
+++ b/date.lua
@@ -1,9 +1,9 @@
 ---------------------------------------------------------------------------------------
 -- Module for date and time calculations
 --
--- Version 2.1.0, Copyright (C) 2006, by Jas Latrix (jastejada@yahoo.com)
--- All Rights Deserved. Use this code at your own risk! Keep out of reach of children. 
+-- Version 2.1.1, Copyright (C) 2006, by Jas Latrix (jastejada@yahoo.com)
 -- Copyright (C) 2013 update to Lua 5.2 by Thijs Schreijer
+-- Licensed under MIT, http://opensource.org/licenses/MIT
 
 --[[ CONSTANTS ]]--
   local HOURPERDAY  = 24
@@ -202,7 +202,7 @@
   local date = {}
   setmetatable(date, date)
 -- Version:  VMMMRRRR; V-Major, M-Minor, R-Revision;  e.g. 5.45.321 == 50450321
-  date.version = 20010000 -- 2.1.0
+  date.version = 20010001 -- 2.1.1
 --#end -- not DATE_OBJECT_AFX
 --[[ THE DATE OBJECT ]]--
   local dobj = {}
diff --git a/doc/index_cleaned.html b/doc/index_cleaned.html
index fc42446..fb0f59b 100644
--- a/doc/index_cleaned.html
+++ b/doc/index_cleaned.html
@@ -3866,7 +3866,7 @@ dateObject:<span class="bold"><strong>spanticks</strong></span>()
 a = date(2181, "aPr", 4, 6, 30, 30, 15000)
 b = date(a):adddays(2)
 c = date.diff(b, a)
-assert(c:spanseconds() == (2*24*60*60))
+assert(c:spanticks() == (2*24*60*60*1000000))
 </pre>
               </dd>
             </dl>