flags accept no arguments, and options do

Author: tshepang

posts/2019-10-15-Rustup-1.20.0.md

@@ -53,7 +53,7 @@ While most components are guaranteed to be present on stable releases of [tier 1
 
 Starting from rustup 1.20.0, if a component you previously installed is missing in the latest nightly, `rustup update` will walk backwards in time to find the most recent release with all the components you need. If there are no new nightlies with all the components you need you'll either need to wait or remove some of them.
 
-Along with this change, rustup 1.20.0 introduces the `--component`/`-c` and `--target`/`-t` flags to the `rustup toolchain install` command, allowing you to add components and targets as the toolchain is installed. These flags will also search past nightlies if the current one does not feature all the requested components. 
+Along with this change, rustup 1.20.0 introduces the `--component`/`-c` and `--target`/`-t` options to the `rustup toolchain install` command, allowing you to add components and targets as the toolchain is installed. These flags will also search past nightlies if the current one does not feature all the requested components. 
 
 [tiers]: https://forge.rust-lang.org/release/platform-support.html