Fix typo in Rustdoc comment

Signed-off-by: Daniel Carl Jones <[email protected]>

Author: dannycjones

mountpoint-s3/tests/fuse_tests/read_test.rs

@@ -21,7 +21,7 @@ const READ_WRITE: bool = false;
 const FUSE_PASS_FD: bool = true;
 const FUSE_SELF_MOUNT: bool = false;
 
-/// Test wrapper to support generate of test names when used with [test_case].
+/// Test wrapper to support generation of test names when used with [test_case].
 enum BucketPrefix {
     None,
     Some(&'static str),