diff --git a/README.md b/README.md
index e057b0d3..ba6da5c4 100644
--- a/README.md
+++ b/README.md
@@ -15,3 +15,11 @@ Run all the tests:
 
     make test
 
+# License
+
+The 8bitworkshop IDE is licensed under GPLv3 (see LICENSE).
+
+Dependencies retain their original licenses.
+
+All included code samples (presets/*) are licensed under CC0-1.0: https://creativecommons.org/publicdomain/zero/1.0/
+
diff --git a/index.html b/index.html
index 29878748..72fcd703 100644
--- a/index.html
+++ b/index.html
@@ -377,8 +377,8 @@ if (window.location.host.endsWith('8bitworkshop.com')) {
         </select></p>
         <p>License: <select id="githubRepoLicense">
           <option value="">Will decide later</option>
-          <option value="cc0-1.0">CC Zero (public domain)</option>
-          <option value="mit">MIT (public domain, must preserve notices)</option>
+          <option value="cc0-1.0">CC Zero (public domain, recommended)</option>
+          <option value="mit">MIT (must preserve notices)</option>
           <option value="cc-by-4.0">CC BY (must attribute)</option>
           <option value="cc-by-sa-4.0">CC BY-SA (must attribute, use same license)</option>
           <option value="gpl-3.0">GPL v3 (must publish source)</option>