Update library/std/src/fs.rs

Co-authored-by: Mara Bos <m-ou.se@m-ou.se>

Author: hniksic

library/std/src/fs.rs

@@ -973,7 +973,7 @@ impl OpenOptions {
     ///
     /// Append mode guarantees that writes will be positioned at the current end of file,
     /// even when there are other processes or threads appending to the same file. This is
-    /// unlike <code>[seek]\([SeekFrom]::[End]\(0))</code>` followed by `write()`, which
+    /// unlike <code>[seek]\([SeekFrom]::[End]\(0))</code> followed by `write()`, which
     /// has a race between seeking and writing during which another writer can write, with
     /// our `write()` overwriting their data.
     ///