HTTP3.md: clarify cargo build directory

Cargo needs to be called from within the 'quiche' directory.

Closes #5522

diff --git a/docs/HTTP3.md b/docs/HTTP3.md
index 051655f5c3487dee4a66192517c7933f607bcedf..e54e5d028bcc52dae57debbed6332ececf315c6e 100644 (file)
--- a/docs/HTTP3.md
+++ b/docs/HTTP3.md
@@ -115,6 +115,7 @@ Build curl
 Build quiche and BoringSSL:
 
      % git clone --recursive https://github.com/cloudflare/quiche
+     % cd quiche
      % cargo build --release --features pkg-config-meta,qlog
      % mkdir deps/boringssl/lib
      % ln -vnf $(find target/release -name libcrypto.a -o -name libssl.a) deps/boringssl/lib/