Update README.md

Co-authored-by: Jesse Glick <[email protected]>

Author: mcsage

README.md

@@ -36,7 +36,7 @@ From a Pipeline job, use the `sshagent` step.
 
 ```
       steps {
-          sshagent (credentials: ['ssh-credentials-id']) {
+          sshagent(credentials: ['ssh-credentials-id']) {
             sh '[ -d ~/.ssh ] || mkdir ~/.ssh && chmod 0700 ~/.ssh'
             sh 'echo "$(ssh-keyscan -t rsa,dsa example.com)" >> ~/.ssh/known_hosts'
             sh 'ssh [email protected] ...'