diff --git a/autoload/ale/lsp/response.vim b/autoload/ale/lsp/response.vim
index 7984369d..4b895ac7 100644
--- a/autoload/ale/lsp/response.vim
+++ b/autoload/ale/lsp/response.vim
@@ -58,11 +58,11 @@ function! ale#lsp#response#ReadDiagnostics(response) abort
         if has_key(l:diagnostic, 'relatedInformation')
             let l:related = deepcopy(l:diagnostic.relatedInformation)
             call map(l:related, {key, val ->
-                \ ale#path#FromURI(val.location.uri)) .
+                \ ale#path#FromURI(val.location.uri) .
                 \ ':' . val.location.range.start.line . ':' . val.location.range.start.character .
-                \ ': ' . val.message
+                \ ":\n\t" . val.message
                 \ })
-            let l:loclist_item.detail = join(l:related, "\n") . "\n"
+            let l:loclist_item.detail = l:diagnostic.message . "\n" . join(l:related, "\n") . "\n"
         endif
 
         call add(l:loclist, l:loclist_item)
diff --git a/test/lsp/test_read_lsp_diagnostics.vader b/test/lsp/test_read_lsp_diagnostics.vader
index c1df55f0..6708ad2f 100644
--- a/test/lsp/test_read_lsp_diagnostics.vader
+++ b/test/lsp/test_read_lsp_diagnostics.vader
@@ -165,7 +165,7 @@ Execute(ale#lsp#response#ReadDiagnostics() should use relatedInformation for det
   \   {
   \     'range': Range(0, 2, 0, 2),
   \     'message': 'Something went wrong!',
-  \     'detail': 'file:///tmp/someotherfile.txt:42:79: might be this'
+  \     'detail': "Something went wrong!\n/tmp/someotherfile.txt:42:79:\n\tmight be this"
   \   }
   \ ]}})