Update error-10022-the-PDF-DLL-is-missing.md

Author: claire-chan

faq/general/error-10022-the-PDF-DLL-is-missing.md

@@ -16,28 +16,37 @@ The error message "-10022 The PDF DLL is missing" indicates that the Dynamsoft B
 
 1. Please check if the PDF library files are located in the same directory as the Dynamsoft Barcode Reader library (e.g. DynamsoftBarcodeReaderx64.dll). If they are not, kindly copy the PDF library files to that location and try again. 
 
-- For Windows:
- `DynamicPdf.dll` // for Windows x86
- `DynamicPdfCore.dll` // for Windows x86
- `DynamicPdfx64.dll` // for Windows x64
- `DynamicPdfCorex64.dll` // for Windows x64
-
-- For Linux:  
- `libDynamicPdf.so`
- `libDynamicPdfCore.so`
+**For Windows:**
+  
+- `DynamicPdf.dll` // for Windows x86
+ 
+- `DynamicPdfCore.dll` // for Windows x86
+ 
+- `DynamicPdfx64.dll` // for Windows x64
+ 
+- `DynamicPdfCorex64.dll` // for Windows x64
+
+**For Linux:**
+  
+- `libDynamicPdf.so`
+ 
+- `libDynamicPdfCore.so`
 
 2. If you still have this issue, please check if all dependencies are installed based on your OS.
 
-- For Windows:
+**For Windows:**
  Use `dumpbin` command line tool to check dependency.
+ 
  ```
   dumpbin/dependents your_ddl_file.ddl
  ```
 
-- For Linux:  
- Run the following command on the console to check if all dependencies are installed
+**For Linux:**
+ Run the following command on the console to check if all dependencies are installed.
+ 
  ```
  ldd /lib/libDynamicPdf.so
  ```
+
  > Tips:
  > Generally, libatomic1 is not installed on ARM64, while it does appear to exist on the AMD64 image. If you are using ARM64, you could test if libatomic1 is installed.