Auto merge of #7532 - dario23:install-cmd-help-typo, r=alexcrichton
Auto merge of #7532 - dario23:install-cmd-help-typo, r=alexcrichton

Fix typo in `cargo install --profile` help

tsurai/cargo,rustyhorde/cargo,nipunn1313/cargo,vojtechkral/cargo,tshepang/cargo,tsurai/cargo,nipunn1313/cargo,vojtechkral/cargo,eminence/cargo,eminence/cargo,rust-lang/cargo,tsurai/cargo,eminence/cargo,tsurai/cargo,tsurai/cargo,nipunn1313/cargo,rustyhorde/cargo,rust-lang/cargo,vojtechkral/cargo,rust-lang/cargo,vojtechkral/cargo,tshepang/cargo,eminence/cargo,rustyhorde/cargo,tshepang/cargo,rustyhorde/cargo,rust-lang/cargo,nipunn1313/cargo,tshepang/cargo