docs: add hard break before --partial option description

Author: RShirohara

README.adoc

@@ -44,7 +44,7 @@ get::
     The 'ghq' gets the git repository recursively by default. +
     We can prevent it with '--no-recursive' option.
     With '--bare' option, a "bare clone" will be performed (for Git
-    repositories only, 'git clone --bare ...' eg.).
+    repositories only, 'git clone --bare ...' eg.). +
     With '--partial' option, a "partial clone" will be performed (for Git
     repositories only, in 'blobless' mode, 'git clone --filter=blob:none ...',
     in 'treeless' mode, 'git clone --filter=tree:0 ...' eg.).