diff --git a/README.md b/README.md
index c982e1a..5466361 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ $bitcoind = new BitcoinClient([
     'port'          => 8332,                   // optional, default 8332
     'user'          => 'rpcuser',              // required
     'password'      => 'rpcpassword',          // required
-    'ca'            => '/etc/ssl/ca-cert.pem'  // optional, for use with https scheme
+    'ca'            => '/etc/ssl/ca-cert.pem',  // optional, for use with https scheme
     'preserve_case' => false,                  // optional, send method names as defined instead of lowercasing them
 ]);
 ```