fix links

README.md

@@ -118,7 +118,7 @@ Assuming that the folder `./tests/assets/supplements` holds the scans of the sam
 python supplements.py ./tests/assets/supplements ./tests/assets/Grades.csv ./tests/assets/pdfs
 ```
 
-For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/supplements.html
+For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/supplements.html)
 
 #### Watermark the submissions
 
@@ -130,7 +130,7 @@ python watermark.py ./tests/assets/pdfs ./tests/assets/pdfs_watermarked --cores
 
 **TIP:** Play around with `dpi` and `quality` parameters according to your requirements. Higher values for these two will result in high resolution PDFs of bigger size (ideal for when the number of files is low). Lower values will result in PDFs having lower file size and low resolution (ideal when the number of files is high)
 
-For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/watermark.html
+For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/watermark.html)
 
 #### Encrypt the files
 
@@ -141,7 +141,7 @@ python  encrypt.py ./tests/assets/pdfs_watermarked ./tests/assets/pdfs_encrypted
 ```
 **TIP:** Omitting the `password` option, you can set randomly generated passwords for each PDF
 
-For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/encrypt.html
+For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/encrypt.html)
 
 #### Prepare for Moodle batch upload
 
@@ -154,7 +154,7 @@ python preparemoodleupload.py ./tests/assets/pdfs_encrypted  ./tests/assets/Grad
 Then, you can upload `moodle_feedbacks.zip` in Moodle:
 `Alle Angaben anzeigen` → `Bewertungsvorgang` → `Mehrere Feedbackdateien in einer Zip-Datei hochladen`
 
-For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/preparemoodleupload.html
+For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/preparemoodleupload.html)
 
 
 #### Batch job
@@ -166,6 +166,7 @@ python batch.py ./tests/assets/pdfs ./tests/assets/Grades.csv ./tests/assets/out
 ```
 
 In this case the `./tests/assets/out` contains both passwords.csv and zip archive
+For more info on the scripts and additional arguments refer to the [Documentation](https://https://rwthmoodle.pages.rwth-aachen.de/exam-scan/batch.html)
 
 ## Original Authors