Update compiler/rustc_target/src/target_features.rs

Co-authored-by: Jubilee <workingjubilee@gmail.com>

Author: fneddy

compiler/rustc_target/src/target_features.rs

@@ -1223,8 +1223,8 @@ impl Target {
                 // on the soft-float target feature.
                 // Every case should require or forbid `soft-float`!
                 // The "vector" target feature may only be used without soft-float
-                // because the float and vector registers overlap and the the
-                // standard s390x abi may pass vectors via this registers.
+                // because the float and vector registers overlap and the
+                // standard s390x C ABI may pass vectors via these registers.
                 match self.rustc_abi {
                     None => {
                         // Default hardfloat ABI.