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-rw-r--r--src/libstd/str.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libstd/str.rs b/src/libstd/str.rs
index ef9be6ee70c..20aaafbe677 100644
--- a/src/libstd/str.rs
+++ b/src/libstd/str.rs
@@ -1997,8 +1997,8 @@ pub trait StrSlice<'a> {
     /// handle edge cases such as leaving a combining character as the
     /// first code point of the string.
     ///
-    /// Due to the design of UTF-8, this operation is `O(end -
-    /// begin)`. See `slice`, `slice_to` and `slice_from` for `O(1)`
+    /// Due to the design of UTF-8, this operation is `O(end)`.
+    /// See `slice`, `slice_to` and `slice_from` for `O(1)`
     /// variants that use byte indices rather than code point
     /// indices.
     ///