diff --git a/pkg/DESCRIPTION b/pkg/DESCRIPTION
index d24e77a..f812808 100644
--- a/pkg/DESCRIPTION
+++ b/pkg/DESCRIPTION
@@ -1,5 +1,5 @@
 Package: FER
-Title: Financial Engineering (FE) functions in R
+Title: Financial Engineering in R (FER)
 Version: 0.91
 Authors@R: person("Jaehyuk", "Choi", email = "pyfe@eml.cc", role = c("aut", "cre"))
 Description: R implementations of standard financial engineering codes;
@@ -10,7 +10,7 @@ BugReports: https://github.com/PyFE/FE-R/issues
 Depends:
     R (>= 3.3.1)
 NeedsCompilation: no
-License: MIT + file LICENSE
+License: GPL (>= 2)
 Encoding: UTF-8
 LazyData: true
 RoxygenNote: 7.1.1
diff --git a/pkg/LICENSE b/pkg/LICENSE
deleted file mode 100644
index ed0d67c..0000000
--- a/pkg/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2021 Financial Engineering in Python
-
-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.