zcoord: Fix typo in comment

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/base/zcoord.rs b/base/zcoord.rs
index 0cdf0572cf4fb45d9767715d11e6319ee26b10da..0b3deac5f4bf667faac3a8e037cf0d9663e9a1a6 100644 (file)
--- a/base/zcoord.rs
+++ b/base/zcoord.rs
@@ -402,7 +402,7 @@ impl Mutable {
 
       if avail < 2 {
         // Only 1 difference in this limb and the next.  We are
-        // goint to have to borrow, and, later, add with carry.
+        // going to have to borrow, and, later, add with carry.
         borrowing = true;
         continue;
       }