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-rw-r--r--docs/cmdline-opts/http2.d7
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diff --git a/docs/cmdline-opts/http2.d b/docs/cmdline-opts/http2.d
index 197515ee8..2a85db600 100644
--- a/docs/cmdline-opts/http2.d
+++ b/docs/cmdline-opts/http2.d
@@ -8,5 +8,12 @@ See-also: no-alpn
Help: Use HTTP 2
See-also: http1.1 http3
Category: http
+Example: --http2 $URL
---
Tells curl to use HTTP version 2.
+
+For HTTPS, this means curl will attempt to negotiate HTTP/2 in the TLS
+handshake. curl does this by default.
+
+For HTTP, this means curl will attempt to upgrade the request to HTTP/2 using
+the Upgrade: request header.