diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 9388583..c8f94e8 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -482,7 +482,7 @@
  *   message.
  * @cm_id: Connection identifier associated with the connection message.
  * @service_timeout: The lower 5-bits specify the maximum time required for
- *   the sender to reply to to the connection message.  The upper 3-bits
+ *   the sender to reply to the connection message.  The upper 3-bits
  *   specify additional control flags.
  * @private_data: Optional user-defined private data sent with the
  *   message receipt acknowledgement.