diff --git a/ports/rxv1/gnu/src/tx_thread_context_save.S b/ports/rxv1/gnu/src/tx_thread_context_save.S
index 228c4991a..97ac6af9a 100644
--- a/ports/rxv1/gnu/src/tx_thread_context_save.S
+++ b/ports/rxv1/gnu/src/tx_thread_context_save.S
@@ -69,7 +69,7 @@ __tx_thread_context_save:
 ;                           SP+4 ->     Saved R1
 ;                           SP+8 ->     Saved R2
 ;                           SP+12->     Interrupted PC
-;                           SP+16->     Interrupted PSW
+;                           SP+16->     Interrupted PSW  */
 ;
 ;    /* Check for a nested interrupt condition.  */
 ;    if (_tx_thread_system_state++)
diff --git a/ports/rxv2/gnu/src/tx_thread_context_save.S b/ports/rxv2/gnu/src/tx_thread_context_save.S
index f08f24504..89fe833e5 100644
--- a/ports/rxv2/gnu/src/tx_thread_context_save.S
+++ b/ports/rxv2/gnu/src/tx_thread_context_save.S
@@ -79,7 +79,7 @@ __tx_thread_context_save:
 ;                           SP+4 ->     Saved R1
 ;                           SP+8 ->     Saved R2
 ;                           SP+12->     Interrupted PC
-;                           SP+16->     Interrupted PSW
+;                           SP+16->     Interrupted PSW  */
 ;
 ;    /* Check for a nested interrupt condition.  */
 ;    if (_tx_thread_system_state++)
diff --git a/ports/rxv3/gnu/src/tx_thread_context_save.S b/ports/rxv3/gnu/src/tx_thread_context_save.S
index 3fbfc3a18..e44373183 100644
--- a/ports/rxv3/gnu/src/tx_thread_context_save.S
+++ b/ports/rxv3/gnu/src/tx_thread_context_save.S
@@ -79,7 +79,7 @@ __tx_thread_context_save:
 ;                           SP+4 ->     Saved R1
 ;                           SP+8 ->     Saved R2
 ;                           SP+12->     Interrupted PC
-;                           SP+16->     Interrupted PSW
+;                           SP+16->     Interrupted PSW  */
 ;
 ;    /* Check for a nested interrupt condition.  */
 ;    if (_tx_thread_system_state++)