From 7cc438df2e97756204216516ad651396a2b1c3fd Mon Sep 17 00:00:00 2001
From: annie_wangli <annie.wangli@huawei.com>
Date: Thu, 9 Sep 2021 16:09:34 +0800
Subject: [PATCH 1/3] update docs

Signed-off-by: annie_wangli <annie.wangli@huawei.com>
---
 en/device-dev/driver/driver-peripherals.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/en/device-dev/driver/driver-peripherals.md b/en/device-dev/driver/driver-peripherals.md
index 02e7a9e357a..2269b5f9dde 100644
--- a/en/device-dev/driver/driver-peripherals.md
+++ b/en/device-dev/driver/driver-peripherals.md
@@ -1,4 +1,4 @@
-# Peripherals<a name="EN-US_TOPIC_0000001157319411"></a>
+# Peripheral Driver Development<a name="EN-US_TOPIC_0000001157319411"></a>
 
 -   **[LCD](driver-peripherals-lcd-des.md)**  
 
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From c134225a6ab9a14fc3c8a36a905c9a01afadeed1 Mon Sep 17 00:00:00 2001
From: annie_wangli <annie.wangli@huawei.com>
Date: Sat, 18 Sep 2021 14:18:48 +0800
Subject: [PATCH 2/3] update cods

Signed-off-by: annie_wangli <annie.wangli@huawei.com>
---
 en/device-dev/kernel/kernel-mini-appx-lib-posix.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/en/device-dev/kernel/kernel-mini-appx-lib-posix.md b/en/device-dev/kernel/kernel-mini-appx-lib-posix.md
index ebed9d85d51..e5cc7ba886d 100644
--- a/en/device-dev/kernel/kernel-mini-appx-lib-posix.md
+++ b/en/device-dev/kernel/kernel-mini-appx-lib-posix.md
@@ -250,7 +250,8 @@ The OpenHarmony kernel uses the  **musl libc**  library and self-developed APIs
 <td class="cellrowborder" valign="top" headers="mcps1.2.5.1.3 "><p id="p5747174219504"><a name="p5747174219504"></a><a name="p5747174219504"></a>Deletes a file.</p>
 </td>
 </tr>
-<tr id="row117941848155011"><td class="cellrowborder" valign="top" headers="mcps1.2.5.1.1 "><p id="p157951148105019"><a name="p157951148105019"></a><a name="p157951148105019"></a>#include &lt;fcntl.h</p>
+<tr id="row117941848155011"><td class="cellrowborder" valign="top" headers="mcps1.2.5.1.1 "><p id="p157951148105019"><a
+name="p157951148105019"></a><a name="p157951148105019"></a>#include &lt;fcntl.h&gt;</p>
 </td>
 <td class="cellrowborder" valign="top" headers="mcps1.2.5.1.2 "><p id="p1086884114190"><a name="p1086884114190"></a><a name="p1086884114190"></a>int open(const char *path, int oflags, ...);</p>
 </td>
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From 9bdf6acb1dca19217305da285bd26a0fccb7270a Mon Sep 17 00:00:00 2001
From: annie_wangli <annie.wangli@huawei.com>
Date: Sat, 18 Sep 2021 16:25:00 +0800
Subject: [PATCH 3/3] update docs

Signed-off-by: annie_wangli <annie.wangli@huawei.com>
---
 en/device-dev/driver/driver-platform-watchdog-des.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/en/device-dev/driver/driver-platform-watchdog-des.md b/en/device-dev/driver/driver-platform-watchdog-des.md
index ddaddc1abe0..6b907fcdf0d 100644
--- a/en/device-dev/driver/driver-platform-watchdog-des.md
+++ b/en/device-dev/driver/driver-platform-watchdog-des.md
@@ -104,7 +104,7 @@ A watchdog, also called a watchdog timer, is a hardware timing device. If an err
 
 Use  **WatchdogOpen**  to open a watchdog. A system may have multiple watchdogs. You can open the specified watchdog by using the ID.
 
-int32\_t WatchdogOpen\(int16\_t wdtId\); 
+DevHandle WatchdogOpen\(int16\_t wdtId\);
 
 **Table  2**  Description of WatchdogOpen
 
@@ -201,7 +201,7 @@ if (ret != 0) {
 
 ### Setting the Timeout Duration<a name="section182386137111"></a>
 
-int32\_t WatchdogSetTimeout\(PalHandle \*handle, uint32\_t seconds\); 
+int32\_t WatchdogSetTimeout\(DevHandle \*handle, uint32\_t seconds\); 
 
 **Table  4**  Description of WatchdogSetTimeout
 
@@ -253,7 +253,7 @@ if (ret != 0) {
 
 ### Obtaining the Timeout Duration<a name="section1883310371114"></a>
 
-int32\_t WatchdogGetTimeout\(PalHandle \*handle, uint32\_t \*seconds\); 
+int32\_t WatchdogGetTimeout\(DevHandle \*handle, uint32\_t \*seconds\);
 
 **Table  5**  Description of WatchdogGetTimeout
 
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