fix: refine readme examples

README.md

@@ -26,10 +26,10 @@ npx docusaurus-prince-pdf -u https://docusaurus.io/docs
 npx docusaurus-prince-pdf -u https://docusaurus.io/docs/cli
 
 # Custom working (output) directory
-npx docusaurus-prince-pdf -u https://openbayes.com/docs/ --dest ./pdf-output
+npx docusaurus-prince-pdf -u https://openbayes.com/docs --dest ./pdf-output
 
 # Custom output file name
-npx docusaurus-prince-pdf -u https://openbayes.com/docs/ --output docs.pdf
+npx docusaurus-prince-pdf -u https://openbayes.com/docs --output docs.pdf
 ```
 
 To generate PDF from a local Docusaurus instance. You need to first build the site locally:
@@ -42,7 +42,7 @@ yarn build
 yarn serve
 
 # Generate PDF from local Docusaurus instance
-npx docusaurus-prince-pdf -u http://localhost:4000 # Change port to your serving port
+npx docusaurus-prince-pdf -u http://localhost:4000/docs # Change port to your serving port
 ```
 
 See help screen for more usages: