diff --git a/include/spdk/env.h b/include/spdk/env.h
index c5ae5d863..adf082acc 100644
--- a/include/spdk/env.h
+++ b/include/spdk/env.h
@@ -1329,7 +1329,7 @@ int spdk_mem_reserve(void *vaddr, size_t len);
  * \param vaddr Virtual address to get
  * \param offset Virtual address's map offset to the file descriptor
  *
- * \ return negative errno on failure, otherwise return the file descriptor
+ * \return negative errno on failure, otherwise return the file descriptor
  */
 int spdk_mem_get_fd_and_offset(void *vaddr, uint64_t *offset);