Use text of correct licence.

doc/COPYING.txt

-Attribution-NonCommercial-ShareAlike 4.0 International
+Attribution-ShareAlike 4.0 International
 
 =======================================================================
 
-Creative Commons Corporation ("Creative Commons") is not a law firm and
-does not provide legal services or legal advice. Distribution of
-Creative Commons public licenses does not create a lawyer-client or
-other relationship. Creative Commons makes its licenses and related
-information available on an "as-is" basis. Creative Commons gives no
-warranties regarding its licenses, any material licensed under their
-terms and conditions, or any related information. Creative Commons
-disclaims all liability for damages resulting from their use to the
-fullest extent possible.
+Creative Commons Corporation ("Creative Commons") is not a law firm
+and does not provide legal services or legal advice. Distribution
+of Creative Commons public licenses does not create a lawyer-client
+or other relationship. Creative Commons makes its licenses and
+related information available on an "as-is" basis. Creative Commons
+gives no warranties regarding its licenses, any material licensed
+under their terms and conditions, or any related information.
+Creative Commons disclaims all liability for damages resulting from
+their use to the fullest extent possible.
 
 Using Creative Commons Public Licenses
 
-Creative Commons public licenses provide a standard set of terms and
-conditions that creators and other rights holders may use to share
-original works of authorship and other material subject to copyright
-and certain other rights specified in the public license below. The
-following considerations are for informational purposes only, are not
-exhaustive, and do not form part of our licenses.
+Creative Commons public licenses provide a standard set of terms
+and conditions that creators and other rights holders may use to
+share original works of authorship and other material subject to
+copyright and certain other rights specified in the public license
+below. The following considerations are for informational purposes
+only, are not exhaustive, and do not form part of our licenses.
 
      Considerations for licensors: Our public licenses are
      intended for use by those authorized to give the public
@@ -54,18 +54,18 @@ exhaustive, and do not form part of our licenses.
 
 =======================================================================
 
-Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
-Public License
+Creative Commons Attribution-ShareAlike 4.0 International Public
+License
 
-By exercising the Licensed Rights (defined below), You accept and agree
-to be bound by the terms and conditions of this Creative Commons
-Attribution-NonCommercial-ShareAlike 4.0 International Public License
+By exercising the Licensed Rights (defined below), You accept and
+agree to be bound by the terms and conditions of this Creative
+Commons Attribution-ShareAlike 4.0 International Public License
 ("Public License"). To the extent this Public License may be
 interpreted as a contract, You are granted the Licensed Rights in
-consideration of Your acceptance of these terms and conditions, and the
-Licensor grants You such rights in consideration of benefits the
-Licensor receives from making the Licensed Material available under
-these terms and conditions.
+consideration of Your acceptance of these terms and conditions, and
+the Licensor grants You such rights in consideration of benefits
+the Licensor receives from making the Licensed Material available
+under these terms and conditions.
 
 
 Section 1 -- Definitions.
@@ -84,7 +84,7 @@ Section 1 -- Definitions.
      and Similar Rights in Your contributions to Adapted Material in
      accordance with the terms and conditions of this Public License.
 
-  c. BY-NC-SA Compatible License means a license listed at
+  c. BY-SA Compatible License means a license listed at
      creativecommons.org/compatiblelicenses, approved by Creative
      Commons as essentially the equivalent of this Public License.
 
@@ -108,7 +108,7 @@ Section 1 -- Definitions.
 
   g. License Elements means the license attributes listed in the name
      of a Creative Commons Public License. The License Elements of this
-     Public License are Attribution, NonCommercial, and ShareAlike.
+     Public License are Attribution and ShareAlike.
 
   h. Licensed Material means the artistic or literary work, database,
      or other material to which the Licensor applied this Public
@@ -122,15 +122,7 @@ Section 1 -- Definitions.
   j. Licensor means the individual(s) or entity(ies) granting rights
      under this Public License.
 
-  k. NonCommercial means not primarily intended for or directed towards
-     commercial advantage or monetary compensation. For purposes of
-     this Public License, the exchange of the Licensed Material for
-     other material subject to Copyright and Similar Rights by digital
-     file-sharing or similar means is NonCommercial provided there is
-     no payment of monetary compensation in connection with the
-     exchange.
-
-  l. Share means to provide material to the public by any means or
+  k. Share means to provide material to the public by any means or
      process that requires permission under the Licensed Rights, such
      as reproduction, public display, public performance, distribution,
      dissemination, communication, or importation, and to make material
@@ -138,13 +130,13 @@ Section 1 -- Definitions.
      public may access the material from a place and at a time
      individually chosen by them.
 
-  m. Sui Generis Database Rights means rights other than copyright
+  l. Sui Generis Database Rights means rights other than copyright
      resulting from Directive 96/9/EC of the European Parliament and of
      the Council of 11 March 1996 on the legal protection of databases,
      as amended and/or succeeded, as well as other essentially
      equivalent rights anywhere in the world.
 
-  n. You means the individual or entity exercising the Licensed Rights
+  m. You means the individual or entity exercising the Licensed Rights
      under this Public License. Your has a corresponding meaning.
 
 
@@ -158,10 +150,9 @@ Section 2 -- Scope.
           exercise the Licensed Rights in the Licensed Material to:
 
             a. reproduce and Share the Licensed Material, in whole or
-               in part, for NonCommercial purposes only; and
+               in part; and
 
-            b. produce, reproduce, and Share Adapted Material for
-               NonCommercial purposes only.
+            b. produce, reproduce, and Share Adapted Material.
 
        2. Exceptions and Limitations. For the avoidance of doubt, where
           Exceptions and Limitations apply to Your use, this Public
@@ -229,15 +220,13 @@ Section 2 -- Scope.
           Rights, whether directly or through a collecting society
           under any voluntary or waivable statutory or compulsory
           licensing scheme. In all other cases the Licensor expressly
-          reserves any right to collect such royalties, including when
-          the Licensed Material is used other than for NonCommercial
-          purposes.
+          reserves any right to collect such royalties.
 
 
 Section 3 -- License Conditions.
 
-Your exercise of the Licensed Rights is expressly made subject to the
-following conditions.
+Your exercise of the Licensed Rights is expressly made subject to
+the following conditions.
 
   a. Attribution.
 
@@ -276,6 +265,7 @@ following conditions.
           reasonable to satisfy the conditions by providing a URI or
           hyperlink to a resource that includes the required
           information.
+
        3. If requested by the Licensor, You must remove any of the
           information required by Section 3(a)(1)(A) to the extent
           reasonably practicable.
@@ -287,7 +277,7 @@ following conditions.
 
        1. The Adapter's License You apply must be a Creative Commons
           license with the same License Elements, this version or
-          later, or a BY-NC-SA Compatible License.
+          later, or a BY-SA Compatible License.
 
        2. You must include the text of, or the URI or hyperlink to, the
           Adapter's License You apply. You may satisfy this condition
@@ -307,8 +297,7 @@ apply to Your use of the Licensed Material:
 
   a. for the avoidance of doubt, Section 2(a)(1) grants You the right
      to extract, reuse, reproduce, and Share all or a substantial
-     portion of the contents of the database for NonCommercial purposes
-     only;
+     portion of the contents of the database;
 
   b. if You include all or a substantial portion of the database
      contents in a database in which You have Sui Generis Database
@@ -320,8 +309,8 @@ apply to Your use of the Licensed Material:
      all or a substantial portion of the contents of the database.
 
 For the avoidance of doubt, this Section 4 supplements and does not
-replace Your obligations under this Public License where the Licensed
-Rights include other Copyright and Similar Rights.
+replace Your obligations under this Public License where the
+Licensed Rights include other Copyright and Similar Rights.
 
 
 Section 5 -- Disclaimer of Warranties and Limitation of Liability.
@@ -415,23 +404,24 @@ Section 8 -- Interpretation.
      that apply to the Licensor or You, including from the legal
      processes of any jurisdiction or authority.
 
+
 =======================================================================
 
-Creative Commons is not a party to its public
-licenses. Notwithstanding, Creative Commons may elect to apply one of
-its public licenses to material it publishes and in those instances
+Creative Commons is not a party to its public licenses.
+Notwithstanding, Creative Commons may elect to apply one of its
+public licenses to material it publishes and in those instances
 will be considered the “Licensor.” The text of the Creative Commons
-public licenses is dedicated to the public domain under the CC0 Public
-Domain Dedication. Except for the limited purpose of indicating that
-material is shared under a Creative Commons public license or as
-otherwise permitted by the Creative Commons policies published at
-creativecommons.org/policies, Creative Commons does not authorize the
-use of the trademark "Creative Commons" or any other trademark or logo
-of Creative Commons without its prior written consent including,
-without limitation, in connection with any unauthorized modifications
-to any of its public licenses or any other arrangements,
-understandings, or agreements concerning use of licensed material. For
-the avoidance of doubt, this paragraph does not form part of the
-public licenses.
+public licenses is dedicated to the public domain under the CC0
+Public Domain Dedication. Except for the limited purpose of
+indicating that material is shared under a Creative Commons public
+license or as otherwise permitted by the Creative Commons policies
+published at creativecommons.org/policies, Creative Commons does
+not authorize the use of the trademark "Creative Commons" or any
+other trademark or logo of Creative Commons without its prior
+written consent including, without limitation, in connection with
+any unauthorized modifications to any of its public licenses or any
+other arrangements, understandings, or agreements concerning use of
+licensed material. For the avoidance of doubt, this paragraph does
+not form part of the public licenses.
 
 Creative Commons may be contacted at creativecommons.org.