abilities syntax has -> implements

crates/compiler/types/src/pretty_print.rs

@@ -136,8 +136,8 @@ fn find_names_needed(
             if !root_appearances.contains_key(&root) {
                 roots.push(root);
             }
-            // Able vars are always printed at least twice (in the signature, and in the "has"
-            // clause set).
+            // Able vars are always printed at least twice (in the signature, and in the
+            // "implements" clause set).
             root_appearances.insert(root, Appearances::Multiple);
         }
         RecursionVar {

crates/compiler/types/src/types.rs

@@ -1760,7 +1760,7 @@ pub enum Type {
 }
 
 /// A lambda set under an arrow in a ability member signature. For example, in
-///   Default has default : {} -> a | a has Default
+///   Default has default : {} -> a | a implements Default
 /// the unspecialized lambda set for the arrow "{} -> a" would be `a:default:1`.
 ///
 /// Lambda sets in member signatures are never known until those members are specialized at a