Update comment

oli-obk · oli-obk · commit eceeb63d11b9 · 2018-05-25T10:18:57.000+02:00
diff --git a/src/librustc/mir/interpret/value.rs b/src/librustc/mir/interpret/value.rs
@@ -191,7 +191,7 @@ impl From<Pointer> for Scalar {
 pub enum Scalar {
     /// The raw bytes of a simple value.
     Bits {
-        /// number of bits that are valid and may be read
+        /// The first `defined` number of bits are valid
         defined: u8,
         bits: u128,
     },
