diff --git a/bin/clean.sh b/bin/clean.sh
index 0302bc3..3500b5a 100755
--- a/bin/clean.sh
+++ b/bin/clean.sh
@@ -56,9 +56,9 @@ if [[ -f "$HOME/.config/mole/whitelist" ]]; then
         # Expand tilde to home directory
         [[ "$line" == ~* ]] && line="${line/#~/$HOME}"
 
-        # Stricter path validation (no spaces, wildcards only at end)
-        # Allow: letters, numbers, /, _, ., -, @ and * only at the end
-        if [[ ! "$line" =~ ^[a-zA-Z0-9/_.@-]+(\*)?$ ]]; then
+        # Path validation with support for spaces and wildcards
+        # Allow: letters, numbers, /, _, ., -, @, spaces, and * anywhere in path
+        if [[ ! "$line" =~ ^[a-zA-Z0-9/_.@\ *-]+$ ]]; then
             WHITELIST_WARNINGS+=("Invalid path format: $line")
             continue
         fi
diff --git a/lib/whitelist_manager.sh b/lib/whitelist_manager.sh
index 3ee9b98..059eaef 100755
--- a/lib/whitelist_manager.sh
+++ b/lib/whitelist_manager.sh
@@ -82,6 +82,7 @@ Bazel build cache|$HOME/.cache/bazel/*|compiler_cache
 Go build cache and module cache|$HOME/Library/Caches/go-build/*|compiler_cache
 Go module cache|$HOME/go/pkg/mod/cache/*|compiler_cache
 Rust Cargo registry cache|$HOME/.cargo/registry/cache/*|compiler_cache
+Rust documentation cache|$HOME/.rustup/toolchains/*/share/doc/*|compiler_cache
 Rustup toolchain downloads|$HOME/.rustup/downloads/*|compiler_cache
 ccache compiler cache|$HOME/.ccache/*|compiler_cache
 sccache distributed compiler cache|$HOME/.cache/sccache/*|compiler_cache