diff --git a/src/substrait/common/Io.cpp b/src/substrait/common/Io.cpp
index dd46e296..475c49f1 100644
--- a/src/substrait/common/Io.cpp
+++ b/src/substrait/common/Io.cpp
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: Apache-2.0 */
+
 #include "substrait/common/Io.h"
 
 #include <string_view>
diff --git a/src/substrait/textplan/converter/README.md b/src/substrait/textplan/converter/README.md
index 642ed0e6..53a0e98e 100644
--- a/src/substrait/textplan/converter/README.md
+++ b/src/substrait/textplan/converter/README.md
@@ -1,6 +1,6 @@
 # Using the Plan Converter Tool
 
-The plan converter takes any number of Substrait plan files of any format and 
+The plan converter takes any number of Substrait plan files of any format and
 converts them into the Substrait Text Plan format.
 
 ## Usage: