secure_fw: Fix spelling typos

Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
Change-Id: I58da18eb39f746c169e7e401d921b84e13d70345
diff --git a/secure_fw/partitions/idle_partition/idle_partition.c b/secure_fw/partitions/idle_partition/idle_partition.c
index 999a27a..2e56e9e 100644
--- a/secure_fw/partitions/idle_partition/idle_partition.c
+++ b/secure_fw/partitions/idle_partition/idle_partition.c
@@ -16,7 +16,7 @@
 {
     while (1) {
         /*
-         * There could be other Partitions becoming RUNABLE after wake up.
+         * There could be other Partitions becoming RUNNABLE after wake up.
          * This is a dummy psa_wait to let SPM check possible scheduling.
          * It does not expect any signals.
          */
@@ -35,7 +35,7 @@
 
     while (1) {
         /*
-         * There could be other Partitions becoming RUNABLE after wake up.
+         * There could be other Partitions becoming RUNNABLE after wake up.
          * This is a dummy psa_wait to let SPM check possible scheduling.
          * It does not expect any signals.
          */