diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f7ca5a9
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 IRext
+
+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/src/ir_decoder/src/ir_tv_control.c b/src/ir_decoder/src/ir_tv_control.c
index f116b35..dd7869a 100644
--- a/src/ir_decoder/src/ir_tv_control.c
+++ b/src/ir_decoder/src/ir_tv_control.c
@@ -315,7 +315,7 @@ static void print_ir_time(t_ir_data *data, UINT8 key_index, UINT16 *ir_time)
         }
         else if (ir_decode_flag == IRDA_DECODE_2_BITS)
         {
-            // for quanternary formatted code
+            // for quaternary formatted code
             process_decode_number(key_code, data, 2, ir_time);
         }
         else if (ir_decode_flag == IRDA_DECODE_4_BITS)