xcbgen-rs: Fix wording in `VariableSize::new` docs.
@@ -1140,7 +1140,7 @@ impl VariableSize {
///
/// # Panics
///
- /// Panics if `incr` is not zero or a power of 2.
+ /// Panics if `incr` neither zero nor a power of 2.
pub fn new(base: u32, incr: u32) -> Self {
assert!(incr == 0 || incr.is_power_of_two());
Self { base, incr }
