diff --git a/docs/download.md b/docs/download.md
index d9584a6..c391fc0 100644
--- a/docs/download.md
+++ b/docs/download.md
@@ -33,13 +33,13 @@ Check their [download page](https://github.com/syncloud/platform/wiki) for lates
 
     **Temporary workaround :** Disable UHS option/support.
 
-    *Can be manually enable, refer to the following [section](/sdcard).*
+    *Can be manually enable, refer to the following [page](/sdcard).*
 
 - During SATA heavy load, accessing SPI NOR Flash will generate ATA errors.
 
     **Temporary workaround :** Disable SPI NOR flash.
-    
-    *Can be manually enable, refer to the following [section](/spi).*
+
+    *Can be manually enable, refer to the following [page](/spi).*
 
 - Wake-on-LAN is not yet implemented.
 
diff --git a/docs/img/pwm/fan_new_photo.jpg b/docs/img/pwm/fan_new_photo.jpg
index 01f0186..518eaf4 100755
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diff --git a/docs/img/pwm/fan_old_photo.jpg b/docs/img/pwm/fan_old_photo.jpg
index 24c6503..771f48b 100755
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