pick up a few more typos

docs/UserManual.md

@@ -279,7 +279,7 @@ To learn more about subnet masks, see the
 [Wikipedia page on Subnetwork](http://en.wikipedia.org/wiki/Subnetwork).
 
 ### extra\_mime\_types
-Extra mime types, in tha form `extension1=type1,exten-sion2=type2,...`.
+Extra mime types, in the form `extension1=type1,exten-sion2=type2,...`.
 See the [Wikipedia page on Internet media types](http://en.wikipedia.org/wiki/Internet_media_type).
 Extension must include a leading dot. Example:
 `.cpp=plain/text,.java=plain/text`
@@ -484,7 +484,7 @@ script on changes of the server state. See example lua script :
 [background.lua](https://github.com/civetweb/civetweb/blob/master/test/background.lua).
 
 Additional functions available in background script :
-sleep, root path, script name, isterminated
+sleep, root path, script name, is terminated
 
 ### lua\_background\_script\_params `param1=1,param2=2`
 Can add dynamic parameters to background script.
@@ -553,12 +553,12 @@ Set the maximum time (in seconds) a cache may store a static files.
 
 This option will set the `Cache-Control: max-age` value for static files.
 Dynamically generated content, i.e., content created by a script or callback,
-must send cache control headers by themselfes.
+must send cache control headers by themselves.
 
 A value >0 corresponds to a maximum allowed caching time in seconds.
 This value should not exceed one year (RFC 2616, Section 14.21).
 A value of 0 will send "do not cache" headers for all static files.
-For values <0 and values >31622400, the behavior is undefined.
+For values <0 and values >31622400, the behaviour is undefined.
 
 ### strict\_transport\_security\_max\_age
 
@@ -570,7 +570,7 @@ send HTTP headers on their own.
 
 The time is specified in seconds. If this configuration is not set, 
 or set to -1, no `Strict-Transport-Security` header will be sent.
-For values <-1 and values >31622400, the behavior is undefined.
+For values <-1 and values >31622400, the behaviour is undefined.
 
 ### decode\_url `yes`
 URL encoded request strings are decoded in the server, unless it is disabled
@@ -887,7 +887,7 @@ All function are called with one argument of type table with at least one field
 "client" to identify the client. When "open" is called, the argument table additionally
 contains the "request_info" table as defined above. For the "data" handler, an
 additional field "data" is available. The functions "open", "ready" and "data"
-must return true in order to keep the connetion open.
+must return true in order to keep the connection open.
 
 Lua websocket pages do support single shot (timeout) and interval timers.