diff --git a/shell-common/.config/shell-common/exports.sh b/shell-common/.config/shell-common/exports.sh
index a6858d6..0903ecd 100644
--- a/shell-common/.config/shell-common/exports.sh
+++ b/shell-common/.config/shell-common/exports.sh
@@ -41,5 +41,5 @@ fi
 if [[ $(uname) == "Darwin" ]]; then
     # Homebrew
     export HOMEBREW_NO_ENV_HINTS=1
-    [ -d /opt/homebrew ] && eval $(/opt/homebrew/bin/brew shellenv)
+    [ -d /opt/homebrew ] && eval "$(/opt/homebrew/bin/brew shellenv)"
 fi
diff --git a/shell-common/.config/shell-common/functions.sh b/shell-common/.config/shell-common/functions.sh
index 86e05f2..b100083 100644
--- a/shell-common/.config/shell-common/functions.sh
+++ b/shell-common/.config/shell-common/functions.sh
@@ -10,7 +10,8 @@ function update-dotfiles() {
     cd "$prevdir"
 }
 
-# Wrapper around ssh-add to ease usage and also ensure basic timeouts
+# Wrapper around ssh-add to easily add SSH keys with a timeout
+# Usage: add-sshkey [key_name]
 function add-sshkey() {
     TIMEOUT="2h"
     NAME=$1