Update bson/src/main/org/bson/io/ByteBufferBsonInput.java

Co-authored-by: Valentin Kovalenko <[email protected]>

Author: vbabanin

bson/src/main/org/bson/io/ByteBufferBsonInput.java

@@ -203,7 +203,7 @@ private int computeCStringLength(final int prevPos) {
              */
             long mask = chunk - 0x0101010101010101L;
             /*
-              mask will only have the most significant bit set iff it was a 0x00 byte (0x00 becomes 0xFF because of the borrow).
+              mask will only have the most significant bit in each byte set iff it was a 0x00 byte (0x00 becomes 0xFF because of the borrow).
               ~chunk will have bits that were originally 0 set to 1.
               mask & ~chunk will have the most significant bit in each byte set iff original byte was 0x00.
              */