diff --git a/doc/lua-api/index.rst b/doc/lua-api/index.rst
index f7b453e731..66d5da67fd 100644
--- a/doc/lua-api/index.rst
+++ b/doc/lua-api/index.rst
@@ -1338,7 +1338,7 @@ Server class
   care about a single server, and also prevents useless wakeups.
 
   For instance, if you want to be notified for UP/DOWN events on a given set of
-  servers, it is recommended to peform multiple per-server subscriptions since
+  servers, it is recommended to perform multiple per-server subscriptions since
   it will be more efficient that doing a single global subscription that will
   filter the received events.
   Unless you really want to be notified for servers events of ALL servers of
diff --git a/include/haproxy/stconn-t.h b/include/haproxy/stconn-t.h
index dd76a94229..fe10950b6c 100644
--- a/include/haproxy/stconn-t.h
+++ b/include/haproxy/stconn-t.h
@@ -153,7 +153,7 @@ enum sc_flags {
 	SC_FL_NEED_BUFF     = 0x00000100,  /* SC waits for an rx buffer allocation to complete */
 	SC_FL_NEED_ROOM     = 0x00000200,  /* SC needs more room in the rx buffer to store incoming data */
 
-	SC_FL_RCV_ONCE      = 0x00000400,  /* Don't loop to receive data. cleared after a sucessful receive */
+	SC_FL_RCV_ONCE      = 0x00000400,  /* Don't loop to receive data. cleared after a successful receive */
 	SC_FL_SND_ASAP      = 0x00000800,  /* Don't wait for sending. cleared when all data were sent */
 	SC_FL_SND_NEVERWAIT = 0x00001000,  /* Never wait for sending (permanent) */
 	SC_FL_SND_EXP_MORE  = 0x00001000,  /* More data expected to be sent very soon. cleared when all data were sent */
diff --git a/src/hlua.c b/src/hlua.c
index a758f627f1..b14ac838f8 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -9113,7 +9113,7 @@ static struct task *hlua_event_runner(struct task *task, void *context, unsigned
 
 		/* We reached the limit of pending events in the queue: we should
 		 * warn the user, and temporarily pause the subscription to give a chance
-		 * to the handler to catch up? (it also prevents ressource shortage since
+		 * to the handler to catch up? (it also prevents resource shortage since
 		 * the queue could grow indefinitely otherwise)
 		 * TODO: find a way to inform the handler that it missed some events
 		 * (example: stats within the subscription in event_hdl api exposed via lua api?)
@@ -9176,7 +9176,7 @@ static struct task *hlua_event_runner(struct task *task, void *context, unsigned
 		RESET_SAFE_LJMP(hlua_sub->hlua);
 
 		/* At this point the event was successfully translated into hlua ctx,
-		 * or hlua error occured, so we can safely discard it
+		 * or hlua error occurred, so we can safely discard it
 		 */
 		event_hdl_async_free_event(event);
 		event = NULL;
@@ -9199,7 +9199,7 @@ static struct task *hlua_event_runner(struct task *task, void *context, unsigned
 			task_wakeup(task, TASK_WOKEN_OTHER);
 		}
 		else if (hlua_sub->paused) {
-			/* empty queue, the handler catched up: resume the subscription */
+			/* empty queue, the handler caught up: resume the subscription */
 			event_hdl_resume(hlua_sub->sub);
 			hlua_sub->paused = 0;
 		}
@@ -9307,7 +9307,7 @@ __LJMP static struct event_hdl_sub_type hlua_check_event_sub_types(lua_State *L,
 /* Wrapper for hlua_fcn_new_event_sub(): catch errors raised by
  * the function to prevent LJMP
  *
- * If no error occured, the function returns 1, else it returns 0 and
+ * If no error occurred, the function returns 1, else it returns 0 and
  * the error message is pushed at the top of the stack
  */
 __LJMP static int _hlua_new_event_sub_safe(lua_State *L)
@@ -9327,7 +9327,7 @@ static int hlua_new_event_sub_safe(lua_State *L, struct event_hdl_sub *sub)
 		case LUA_OK:
 			return 1;
 		default:
-			/* error was catched */
+			/* error was caught */
 			return 0;
 	}
 }
diff --git a/src/hlua_fcn.c b/src/hlua_fcn.c
index f275c54342..188fcf4fdb 100644
--- a/src/hlua_fcn.c
+++ b/src/hlua_fcn.c
@@ -1023,7 +1023,7 @@ int hlua_server_get_name(lua_State *L)
 }
 
 /* __index metamethod for server class
- * support for additionnal keys that are missing from the main table
+ * support for additional keys that are missing from the main table
  * stack:1 = table (server class), stack:2 = requested key
  * Returns 1 if key is supported
  * else returns 0 to make lua return NIL value to the caller
@@ -1567,7 +1567,7 @@ int hlua_proxy_get_uuid(lua_State *L)
 }
 
 /* __index metamethod for proxy class
- * support for additionnal keys that are missing from the main table
+ * support for additional keys that are missing from the main table
  * stack:1 = table (proxy class), stack:2 = requested key
  * Returns 1 if key is supported
  * else returns 0 to make lua return NIL value to the caller