diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs
index 8a0d2a7f5cfcf..3079c8b1d905a 100644
--- a/library/std/src/fs.rs
+++ b/library/std/src/fs.rs
@@ -1197,7 +1197,7 @@ impl OpenOptions {
 
     /// Sets the option for truncating a previous file.
     ///
-    /// If a file is successfully opened with this option set it will truncate
+    /// If a file is successfully opened with this option set to true, it will truncate
     /// the file to 0 length if it already exists.
     ///
     /// The file must be opened with write access for truncate to work.