diff --git a/nselib/comm.lua b/nselib/comm.lua
index 625b8a367..ea1f5821a 100644
--- a/nselib/comm.lua
+++ b/nselib/comm.lua
@@ -154,7 +154,7 @@ local function is_ssl(port_number)
 end
 
 --- This function returns best protocol order for trying  to open a 
--- conenction based on port and service information
+-- connection based on port and service information
 --
 -- The first value is the best option, the second is the worst
 -- @param port The port table
@@ -177,8 +177,8 @@ end
 --
 -- Possible options:
 -- timeout: generic timeout value
--- connect_timeout: especific timeout for connection
--- request_timeout: especific timeout for requests
+-- connect_timeout: specific timeout for connection
+-- request_timeout: specific timeout for requests
 -- recv_before: receive data before sending first payload
 --
 -- Default timeout is set to 8000.
@@ -187,7 +187,7 @@ end
 -- @param port The destination host port
 -- @param protocol The protocol for the connection
 -- @param data The first data payload of the connection
--- @return sd The socket descriptor, nil if no connection is estabilished
+-- @return sd The socket descriptor, nil if no connection is established
 -- @return response The response received for the payload
 -- @return early_resp If opt recv_before is true, returns the value
 -- of the first receive (before sending data)