diff --git a/src/fcntl.rs b/src/fcntl.rs
index 4bebe9c457..68140966a3 100644
--- a/src/fcntl.rs
+++ b/src/fcntl.rs
@@ -1355,7 +1355,7 @@ libc_bitflags!(
         FALLOC_FL_INSERT_RANGE;
         /// Shared file data extants are made private to the file.
         ///
-        /// Gaurantees that a subsequent write will not fail due to lack of space.
+        /// Guarantees that a subsequent write will not fail due to lack of space.
         FALLOC_FL_UNSHARE_RANGE;
     }
 );