diff --git a/BUILD.md b/BUILD.md
index af1bfb261..bbd058fdb 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -27,4 +27,4 @@ If you change the gRPC API, generate `api/gobgp.pb.go` in the following way:
 $ ./tools/grpc/genproto.sh
 ```
 
-In order for the script to run, you'll need protoc (version 3.7.1) in your PATH.
\ No newline at end of file
+In order for the script to run, you'll need protoc (version 3.7.1) in your PATH.
diff --git a/docs/sources/dynamic-neighbor.md b/docs/sources/dynamic-neighbor.md
index 8e9406738..ffb6a43d9 100644
--- a/docs/sources/dynamic-neighbor.md
+++ b/docs/sources/dynamic-neighbor.md
@@ -88,4 +88,4 @@ BGP neighbor is 172.40.1.3, remote AS 65002
     Advertised:             0
     Received:               0
     Accepted:               0
-```
\ No newline at end of file
+```
diff --git a/tools/completion/README.md b/tools/completion/README.md
index 38193bc68..3cb39b9b6 100644
--- a/tools/completion/README.md
+++ b/tools/completion/README.md
@@ -237,4 +237,4 @@ fpath=($GOBGP_COMP $fpath)
 
 autoload -Uz compinit
 compinit
-```
\ No newline at end of file
+```