diff --git a/src/json.c b/src/json.c
index acf7ac57cf..e2a011309c 100644
--- a/src/json.c
+++ b/src/json.c
@@ -105,8 +105,7 @@ json_encode_lsp_msg(typval_T *val)
     ga_init2(&lspga, 1, 4000);
     // Header according to LSP specification.
     vim_snprintf((char *)IObuff, IOSIZE,
-	    "Content-Length: %u\r\n"
-	    "Content-Type: application/vscode-jsonrpc; charset=utf-8\r\n\r\n",
+	    "Content-Length: %u\r\n\r\n",
 	    ga.ga_len - 1);
     ga_concat(&lspga, IObuff);
     ga_concat_len(&lspga, ga.ga_data, ga.ga_len);
diff --git a/src/testdir/test_channel_lsp.py b/src/testdir/test_channel_lsp.py
index dd107be157..eccb8937f0 100644
--- a/src/testdir/test_channel_lsp.py
+++ b/src/testdir/test_channel_lsp.py
@@ -172,7 +172,7 @@ class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
     def do_extra_hdr_fields(self, payload):
         self.send_extra_hdr_fields(payload['id'], 'extra-hdr-fields')
 
-    def do_delayad_payload(self, payload):
+    def do_delayed_payload(self, payload):
         self.send_delayed_payload(payload['id'], 'delayed-payload')
 
     def do_hdr_without_len(self, payload):
@@ -208,7 +208,7 @@ class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
                         'msg-specific-cb': self.do_msg_specific_cb,
                         'server-req': self.do_server_req,
                         'extra-hdr-fields': self.do_extra_hdr_fields,
-                        'delayed-payload': self.do_delayad_payload,
+                        'delayed-payload': self.do_delayed_payload,
                         'hdr-without-len': self.do_hdr_without_len,
                         'hdr-with-wrong-len': self.do_hdr_with_wrong_len,
                         'hdr-with-negative-len': self.do_hdr_with_negative_len,
diff --git a/src/version.c b/src/version.c
index eb7d598eeb..9e4e742341 100644
--- a/src/version.c
+++ b/src/version.c
@@ -699,6 +699,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1790,
 /**/
     1789,
 /**/