Fixed typo in std::vec

diff --git a/src/libstd/vec.rs b/src/libstd/vec.rs
index c5f3206d9d557342a72db5d3803ec8b4a0552504..aeb1bf555e818d77d06a4636bc576f86bf4cfe79 100644 (file)
--- a/src/libstd/vec.rs
+++ b/src/libstd/vec.rs
@@ -1288,7 +1288,7 @@ pub fn dedup(&mut self) {
             //     +---+---+---+---+---+---+
             //           w
             //
-            // Comparing self[r] against self[w-1], tis is not a duplicate, so
+            // Comparing self[r] against self[w-1], this is not a duplicate, so
             // we swap self[r] and self[w] (no effect as r==w) and then increment both
             // r and w, leaving us with:
             //