docs: fix cargo run command for no_std example
@@ -10,21 +10,21 @@ brew install qemu
## Hello Ockam
```
-cargo run --example $(example)
+cargo run --example hello
```
```
-cargo run --example $(example) --no-default-features --features="alloc, no_std"
+cargo run --example hello --no-default-features --features="alloc, no_std"
```
```
-cargo +nightly run --example $(example) --target thumbv7em-none-eabihf --no-default-features --features="qemu"
+cargo +nightly run --example hello --target thumbv7em-none-eabihf --no-default-features --features="qemu"
```
```
-cargo +nightly run --example $(example) --target thumbv7em-none-eabihf --no-default-features --features="atsame54"
+cargo +nightly run --example hello --target thumbv7em-none-eabihf --no-default-features --features="atsame54"
```
```
-cargo +nightly run --example $(example) --target thumbv7em-none-eabihf --no-default-features --features="stm32f4"
+cargo +nightly run --example hello --target thumbv7em-none-eabihf --no-default-features --features="stm32f4"
```
