more descriptive documentation in example

I wasn't sure what that parameter was at first glance
2015-01-25 21:00:28 -05:00 · 2015-01-25 21:00:28 -05:00 · 20d75a26a5
commit 20d75a26a5
parent b453cdb7a2
1 changed files with 1 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -147,6 +147,7 @@ You can also get a string representation (serialize):
 std::string s = j.dump();    // {\"happy\":true,\"pi\":3.141}

 // serialization with pretty printing
+// pass in the amount of spaces to indent
 std::cout << j.dump(4) << std::endl;
 // {
 //     "happy": true,