Update rp-hal-common/src/lib.rs

Co-authored-by: 9names <[email protected]>

rp-hal-common/src/lib.rs

@@ -1,7 +1,7 @@
 //! Common HAL code
 //!
 //! This library contains types and functions which are shared between the
-//! RP2040 HAl and the RP235x HAL.
+//! RP2040 HAL and the RP235x HAL.
 //!
 //! You shouldn't include anything here which requires either the `cortex-m`
 //! crate, or a PAC.