Minor corrections to comments

* Minor corrections to comments

Author: ChaiTRex

library/core/src/num/int_sqrt.rs

@@ -166,10 +166,10 @@ macro_rules! middle_stage {
         // the two most-significant bits is a 1.
         //
         // Then these stages take as many of the most-significant bits of `$n`
-        // that fit in this stage's type. For example, the stage that handles
-        // `u32` deals with the 32 most-significant bits of `$n`. This means
-        // that each stage has at least one 1 bit in `n`'s two most-significant
-        // bits, making `n` nonzero.
+        // as will fit in this stage's type. For example, the stage that
+        // handles `u32` deals with the 32 most-significant bits of `$n`. This
+        // means that each stage has at least one 1 bit in `n`'s two
+        // most-significant bits, making `n` nonzero.
         //
         // Then, the stage previous to this produces `$s` as the correct
         // integer square root for the previous type. Since it was taking the
@@ -206,7 +206,7 @@ macro_rules! last_stage {
     ($ty:ty, $n:ident, $s:ident, $r:ident) => {{
         // SAFETY: Inform the optimizer that `$s` is nonzero. This will allow
         // it to avoid generating code to handle division-by-zero panics in the
-        // divisions below.
+        // division below.
         //
         // See the proof in the `middle_stage` macro above.
         unsafe { core::hint::assert_unchecked($s != 0) };