diff --git a/capnp/src/capability.rs b/capnp/src/capability.rs
index 0a4b726f1..b692b76d4 100644
--- a/capnp/src/capability.rs
+++ b/capnp/src/capability.rs
@@ -19,7 +19,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
-//! Hooks for for the RPC system.
+//! Hooks for the RPC system.
 //!
 //! Roughly corresponds to capability.h in the C++ implementation.