diff --git a/entry/src/main/java/de/adorsys/ohos/securestoragetest/MainAbility.java b/entry/src/main/java/de/adorsys/ohos/securestoragetest/MainAbility.java
index 85a391ddd60c781ecfc4b4cf9195573b2a439fae..07516de4680739fbd36b5ae6bcb52fda43d0867b 100644
--- a/entry/src/main/java/de/adorsys/ohos/securestoragetest/MainAbility.java
+++ b/entry/src/main/java/de/adorsys/ohos/securestoragetest/MainAbility.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obtain an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/entry/src/main/java/de/adorsys/ohos/securestoragetest/MyApplication.java b/entry/src/main/java/de/adorsys/ohos/securestoragetest/MyApplication.java
index 9cab4b89f364d9e909bd18b4be9d0c2342620d92..332731a3927fb21aa2dd1a46ebe00ce194833d1a 100644
--- a/entry/src/main/java/de/adorsys/ohos/securestoragetest/MyApplication.java
+++ b/entry/src/main/java/de/adorsys/ohos/securestoragetest/MyApplication.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obtain an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/entry/src/main/java/de/adorsys/ohos/securestoragetest/slice/MainAbilitySlice.java b/entry/src/main/java/de/adorsys/ohos/securestoragetest/slice/MainAbilitySlice.java
index d4d8ed6fffcaf0ad950eeec4a7849429b0efdda3..4f0b04fb6af0ee7587a44cbea99d794dd0644624 100644
--- a/entry/src/main/java/de/adorsys/ohos/securestoragetest/slice/MainAbilitySlice.java
+++ b/entry/src/main/java/de/adorsys/ohos/securestoragetest/slice/MainAbilitySlice.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obtain an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/entry/src/ohosTest/java/de/adorsys/ohos/securestoragetest/ExampleOhosTest.java b/entry/src/ohosTest/java/de/adorsys/ohos/securestoragetest/ExampleOhosTest.java
index f39643c350cf9779f9ae8ced7f75923da8f45686..985184eebf555273bd71eeb927b5e693a38dc1b2 100644
--- a/entry/src/ohosTest/java/de/adorsys/ohos/securestoragetest/ExampleOhosTest.java
+++ b/entry/src/ohosTest/java/de/adorsys/ohos/securestoragetest/ExampleOhosTest.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obtain an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/IoUtils.java b/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/IoUtils.java
index 50fad9d6c9adb111b9c082a20760127aff5f1bc4..9eb1d09e54b262b26b5cbb2f991d75fa5fbc1e18 100644
--- a/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/IoUtils.java
+++ b/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/IoUtils.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obtain an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/PreferenceUtils.java b/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/PreferenceUtils.java
index 36613d7c7f1311a433d4814170de47b080b4e524..6a20df8a5c7ca4c949fd1c336c157852771cd7fe 100644
--- a/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/PreferenceUtils.java
+++ b/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/PreferenceUtils.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obtain an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
diff --git a/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/RsaUtils.java b/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/RsaUtils.java
index 8ad4e89e9d1e49bc234d5a67172cf58bf6caa1a0..0bc8af59e8c7d01e55ffc6a7649034f650bbe1b9 100644
--- a/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/RsaUtils.java
+++ b/securestoragelibrary/src/main/java/de/adorsys/ohos/securestoragelibrary/RsaUtils.java
@@ -2,7 +2,7 @@
  * Copyright (C) 2021 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
- * You may obtain an copy of the License at
+ * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *