Update README.md

Co-authored-by: Alexander Böhm <3983539+mheob@users.noreply.github.com>

Author: bluelovers

README.md

@@ -35,10 +35,10 @@ For information regarding locally cached versions of Node.js on GitHub hosted ru
 #### Supported version syntax
 The `node-version` input supports the following syntax:
 
-major versions: `12`, `14`, `16`  
-more specific versions: `10.15`, `14.2.0`, `16.3.0`  
-nvm lts syntax: `lts/erbium`, `lts/fermium`, `lts/*`  
-nvm latest version syntax: `node`  
+major versions: `12`, `14`, `16`\
+more specific versions: `10.15`, `14.2.0`, `16.3.0`\
+nvm lts syntax: `lts/erbium`, `lts/fermium`, `lts/*`\
+nvm latest version syntax: `node`
 
 ## Caching packages dependencies