diff --git a/src/transports/ipc/cipc.c b/src/transports/ipc/cipc.c
index db64cf5..a6d0093 100644
--- a/src/transports/ipc/cipc.c
+++ b/src/transports/ipc/cipc.c
@@ -315,7 +315,7 @@
 /******************************************************************************/
 /*  WAITING state.                                                            */
 /*  Waiting before re-connection is attempted. This way we won't overload     */
-/*  the system by continuous re-connection attemps.                           */
+/*  the system by continuous re-connection attempts.                          */
 /******************************************************************************/
     case NN_CIPC_STATE_WAITING:
         switch (src) {
diff --git a/src/transports/tcp/btcp.c b/src/transports/tcp/btcp.c
index 1fdef03..58e6d3e 100644
--- a/src/transports/tcp/btcp.c
+++ b/src/transports/tcp/btcp.c
@@ -48,7 +48,7 @@
 #endif
 
 /*  The backlog is set relatively high so that there are not too many failed
-    connection attemps during re-connection storms. */
+    connection attempts during re-connection storms. */
 #define NN_BTCP_BACKLOG 100
 
 #define NN_BTCP_STATE_IDLE 1
diff --git a/src/transports/tcp/ctcp.c b/src/transports/tcp/ctcp.c
index b74b5a0..c754fd2 100644
--- a/src/transports/tcp/ctcp.c
+++ b/src/transports/tcp/ctcp.c
@@ -439,7 +439,7 @@
 /******************************************************************************/
 /*  WAITING state.                                                            */
 /*  Waiting before re-connection is attempted. This way we won't overload     */
-/*  the system by continuous re-connection attemps.                           */
+/*  the system by continuous re-connection attempts.                          */
 /******************************************************************************/
     case NN_CTCP_STATE_WAITING:
         switch (src) {
diff --git a/src/transports/ws/bws.c b/src/transports/ws/bws.c
index 1242f8a..cc3916a 100644
--- a/src/transports/ws/bws.c
+++ b/src/transports/ws/bws.c
@@ -47,7 +47,7 @@
 #endif
 
 /*  The backlog is set relatively high so that there are not too many failed
-    connection attemps during re-connection storms. */
+    connection attempts during re-connection storms. */
 #define NN_BWS_BACKLOG 100
 
 #define NN_BWS_STATE_IDLE 1
diff --git a/src/transports/ws/cws.c b/src/transports/ws/cws.c
index 3a72189..7b46529 100644
--- a/src/transports/ws/cws.c
+++ b/src/transports/ws/cws.c
@@ -519,7 +519,7 @@
 /******************************************************************************/
 /*  WAITING state.                                                            */
 /*  Waiting before re-connection is attempted. This way we won't overload     */
-/*  the system by continuous re-connection attemps.                           */
+/*  the system by continuous re-connection attempts.                          */
 /******************************************************************************/
     case NN_CWS_STATE_WAITING:
         switch (src) {