Update README.md

README.md

@@ -74,6 +74,7 @@ Alternatively, running `make models` will download and extract models to `$(PWD)
 
 The basic command-line interface can be called like this:
 
+```sh
 eynollah \
 -i <image file name> \
 -o <directory to write output xml or enhanced image> \
@@ -83,6 +84,7 @@ The basic command-line interface can be called like this:
 -as <if true, the tool will check whether the document needs rescaling or not> \
 -cl <if true, the tool will extract the contours of curved textlines instead of rectangle bounding boxes> \
 -si <if a directory is given here, the tool will output image regions inside documents there>
+```
 
 The tool does accept and works better on original images (RGB format) than binarized images.