diff --git a/sys/net/network_layer/fib/fib.c b/sys/net/network_layer/fib/fib.c
index 0076d73cf1..5eb7567cd9 100644
--- a/sys/net/network_layer/fib/fib.c
+++ b/sys/net/network_layer/fib/fib.c
@@ -60,7 +60,7 @@ static mutex_t mtx_access = MUTEX_INIT;
 
 /**
  * @brief maximum number of handled routing protocols (RP)
- *        used to notify the saved kernel_pid_t on ureachable destination
+ *        used to notify the saved kernel_pid_t on unreachable destination
  */
 #define FIB_MAX_REGISTERED_RP (5)