diff --git a/native/jni/src/bigram_dictionary.cpp b/native/jni/src/bigram_dictionary.cpp
index 4f5493a..8dc21220 100644
--- a/native/jni/src/bigram_dictionary.cpp
+++ b/native/jni/src/bigram_dictionary.cpp
@@ -1,6 +1,5 @@
 /*
- *
- * Copyright 2010, The Android Open Source Project
+ * Copyright (C) 2010, The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/native/jni/src/debug.h b/native/jni/src/debug.h
index 2fee6e8..2168d66 100644
--- a/native/jni/src/debug.h
+++ b/native/jni/src/debug.h
@@ -1,6 +1,5 @@
 /*
- *
- * Copyright 2011, The Android Open Source Project
+ * Copyright (C) 2011, The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/native/jni/src/defines.h b/native/jni/src/defines.h
index 05b997d..e172b04 100644
--- a/native/jni/src/defines.h
+++ b/native/jni/src/defines.h
@@ -1,6 +1,5 @@
 /*
- *
- * Copyright 2010, The Android Open Source Project
+ * Copyright (C) 2010, The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -96,7 +95,7 @@
     }
     if (all == 0) all = 1;
     for (int i = 0; i < PROF_BUF_SIZE - 1; ++i) {
-        if (profile_buf[i] != 0) {
+        if (profile_buf[i]) {
             AKLOGI("(%d): Used %4.2f%%, %8.4f ms. Called %d times.",
                     i, (profile_buf[i] * 100 / all),
                     profile_buf[i] * 1000 / (float)CLOCKS_PER_SEC, profile_counter[i]);
diff --git a/native/jni/src/dictionary.cpp b/native/jni/src/dictionary.cpp
index 4703a38..dabd98b 100644
--- a/native/jni/src/dictionary.cpp
+++ b/native/jni/src/dictionary.cpp
@@ -1,5 +1,4 @@
 /*
- *
  * Copyright (C) 2009, The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/native/jni/src/unigram_dictionary.cpp b/native/jni/src/unigram_dictionary.cpp
index b121d08..ce3108b 100644
--- a/native/jni/src/unigram_dictionary.cpp
+++ b/native/jni/src/unigram_dictionary.cpp
@@ -1,6 +1,5 @@
 /*
- *
- * Copyright 2010, The Android Open Source Project
+ * Copyright (C) 2010, The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.