diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
index 6efcf10..993d0b7 100644
--- a/.devcontainer/setup.sh
+++ b/.devcontainer/setup.sh
@@ -8,11 +8,7 @@ sudo apt-get install -y --no-install-recommends \
   build-essential pkg-config libssl-dev \
   texlive-latex-base texlive-latex-extra \
   texlive-fonts-recommended texlive-bibtex-extra \
-  lmodern biber gcc-aarch64-linux-gnu
-
-echo "=== Configuring Rust Target ==="
-# Using absolute path ensures this works in non-interactive scripts
-/usr/local/cargo/bin/rustup target add aarch64-unknown-linux-gnu
+  lmodern biber gcc-aarch64-linux-gnu wget
 
 echo "=== Installing Python deps ==="
 python3 -m venv "$HOME/.venv/quic_ecs"
@@ -23,7 +19,7 @@ echo "=== First Cargo build ==="
 /usr/local/cargo/bin/cargo build --release 2>&1 | tail -5
 
 echo "=== Installing Template ==="
-cp paper/_extensions/
+cd paper/_extensions/
 wget https://mirrors.ctan.org/macros/latex/contrib/llncs/splncs04.bst
 wget https://mirrors.ctan.org/macros/latex/contrib/llncs/llncs.cls
 cd ../..
diff --git a/README.md b/README.md
index e644535..e535964 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Springer's LNCS class files are on CTAN — do NOT commit them to the repo
 (licensing). Download once and place in `paper/`:
 
 ```bash
-cp paper/_extensions/
+cd paper/_extensions/
 wget https://mirrors.ctan.org/macros/latex/contrib/llncs/splncs04.bst
 wget https://mirrors.ctan.org/macros/latex/contrib/llncs/llncs.cls
 ```
\ No newline at end of file