style: align layout and ownership documentation

std/strconv/strconv.hon

@@ -58,7 +58,9 @@ parse_float proc(allocator mem.Allocator, text []u8) f64 ! (mem.AllocError | Par
         magnitude >= u64(9218868437227405312)
         or (magnitude == 0 and nonzero)
         or (range_error and magnitude >= u64(4607182418800017408))
-    ) return .out_of_range
+    ) {
+        return .out_of_range
+    }
     return value
 }