diff --git a/data/third_party_licenses/Windows-classic-samples b/data/third_party_licenses/Windows-classic-samples
new file mode 100644
index 0000000..02a131e
--- /dev/null
+++ b/data/third_party_licenses/Windows-classic-samples
@@ -0,0 +1,24 @@
+The MIT License (MIT)
+
+Copyright (c) Microsoft Corporation
+
+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.
+
+Portions of this repo are provided under the SIL Open Font License.
+See the LICENSE file in individual samples for additional details.
diff --git a/src/UndoManager.hpp b/src/UndoManager.hpp
index d815164..39331d9 100644
--- a/src/UndoManager.hpp
+++ b/src/UndoManager.hpp
@@ -23,7 +23,7 @@ class UndoManager {
     private:
         void push_undo(const UndoRedoPair& undoRedoPair);
         void push_redo(const UndoRedoPair& undoRedoPair);
-        size_t queueLimit = 1000;
+        size_t queueLimit = 500;
         std::deque<UndoRedoPair> undoQueue;
         std::deque<UndoRedoPair> redoQueue;
 };