diff --git a/entry/src/main/java/uk/co/alt236/btlescan/MainAbility.java b/entry/src/main/java/uk/co/alt236/btlescan/MainAbility.java
index 063ce966f8e9dd192291985dc5721ed702e7184c..051553a73741a1424081787e842a9818c4a63cdb 100644
--- a/entry/src/main/java/uk/co/alt236/btlescan/MainAbility.java
+++ b/entry/src/main/java/uk/co/alt236/btlescan/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/uk/co/alt236/btlescan/MyApplication.java b/entry/src/main/java/uk/co/alt236/btlescan/MyApplication.java
index e6b8a883c4bf9f72b721563ce78df8664a373431..3e604d294a855d2df3abafd1c8e15937947ffcc2 100644
--- a/entry/src/main/java/uk/co/alt236/btlescan/MyApplication.java
+++ b/entry/src/main/java/uk/co/alt236/btlescan/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/uk/co/alt236/btlescan/adapter/ConnectItemProvider.java b/entry/src/main/java/uk/co/alt236/btlescan/adapter/ConnectItemProvider.java
index 1844755a7cfad669d26712f122e075047e36db78..4591af2cf35b06c1c0d5af6be2f8670082ba08e7 100644
--- a/entry/src/main/java/uk/co/alt236/btlescan/adapter/ConnectItemProvider.java
+++ b/entry/src/main/java/uk/co/alt236/btlescan/adapter/ConnectItemProvider.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/uk/co/alt236/btlescan/adapter/DeviceItemProvider.java b/entry/src/main/java/uk/co/alt236/btlescan/adapter/DeviceItemProvider.java
index d3af5727936d9366649569e632b18b976e3d0fb9..2415d8104eb4863a46f6fd7fb8248663421d1efd 100644
--- a/entry/src/main/java/uk/co/alt236/btlescan/adapter/DeviceItemProvider.java
+++ b/entry/src/main/java/uk/co/alt236/btlescan/adapter/DeviceItemProvider.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/uk/co/alt236/btlescan/slice/DeviceAbilitySlice.java b/entry/src/main/java/uk/co/alt236/btlescan/slice/DeviceAbilitySlice.java
index 1cb0e2003faba8ca42a441e0ddc4960bf7f50838..6a62f6cf0a29104563dc2b00b9d32f638931a1c7 100644
--- a/entry/src/main/java/uk/co/alt236/btlescan/slice/DeviceAbilitySlice.java
+++ b/entry/src/main/java/uk/co/alt236/btlescan/slice/DeviceAbilitySlice.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/uk/co/alt236/btlescan/slice/DeviceControlAbilitySlice.java b/entry/src/main/java/uk/co/alt236/btlescan/slice/DeviceControlAbilitySlice.java
index b76c71646dca2af48e436aff838b6fbfe875f701..c071fb0096213316506c5be4f4d8cc36ed896ac9 100644
--- a/entry/src/main/java/uk/co/alt236/btlescan/slice/DeviceControlAbilitySlice.java
+++ b/entry/src/main/java/uk/co/alt236/btlescan/slice/DeviceControlAbilitySlice.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/uk/co/alt236/btlescan/slice/MainAbilitySlice.java b/entry/src/main/java/uk/co/alt236/btlescan/slice/MainAbilitySlice.java
index 0e46b085148f94c99a1def9c476420489f4d6ea6..b29cada06875f3b10d4f79a0f1ccb28489e074bb 100644
--- a/entry/src/main/java/uk/co/alt236/btlescan/slice/MainAbilitySlice.java
+++ b/entry/src/main/java/uk/co/alt236/btlescan/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/uk/co/alt236/btlescan/ExampleOhosTest.java b/entry/src/ohosTest/java/uk/co/alt236/btlescan/ExampleOhosTest.java
index 2d67d18e41ce18e9320e12983afaca4c49ceb986..d56d027f976a79076f159394fdb9d9b9ae3827ca 100644
--- a/entry/src/ohosTest/java/uk/co/alt236/btlescan/ExampleOhosTest.java
+++ b/entry/src/ohosTest/java/uk/co/alt236/btlescan/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
  *