diff --git a/source/Ox/js/Request.js b/source/Ox/js/Request.js
index 0199d868..3e47b05a 100644
--- a/source/Ox/js/Request.js
+++ b/source/Ox/js/Request.js
@@ -1,12 +1,12 @@
 'use strict';
 
 /*@
-Ox.get <f> Get a remote file
+Ox.get <f> Get a remote resource
     (url, callback) -> <u> undefined
     url <s> Remote URL
     callback <f> Callback function
-        data <s> The contents of the remote resource
-        error <o|null> Error, or null
+        data <s|null> The contents of the remote resource, or `null` on error
+        error <o|null> Error, or `null` on success
             code <n> Status code
             text <s> Status text
 @*/
@@ -37,12 +37,12 @@ Ox.getAsync <f> Runs an asynchonous loader for an array of URLs
     get <f> Asynchronous function that loads a URL (for example Ox.get)
         url <s> URL
         callback <f> Callback function
-            result <s> Result
-            error <o|null> Error, or null
+            result <s|null> Result, or `null` on error
+            error <o|null> Error, or `null` on success
                 code <n> Status code
                 text <s> Status text
     callback <f> Callback function
-        results <o> Results
+        results <o|null> Results
             Keys are file names, values are results
         errors <o|null> Errors, or null
             Keys are file names, values are error objects
@@ -186,7 +186,7 @@ Ox.getJSON <f> Get and parse one or more remote JSON files
     (url, callback) -> <u> undefined
     url <s|a> One or more remote URLs
     callback <f> Callback function
-        data <*|o> The parsed content of the remote resource(s)
+        data <*|o|null> The parsed content of the remote resource(s)
             For multiple URLs, keys are file names, values are parsed contents
         error <o|null> Error(s)
             For multiple URLs, keys are file names, values are error objects
@@ -208,7 +208,7 @@ Ox.getJSONC <f> Get and parse a remote JSONC file
     (url, callback) -> <u> undefined
     url <s|a> One or more remote URLs
     callback <f> Callback function
-        data <*|o> The parsed content of the remote resource(s)
+        data <*|o|null> The parsed content of the remote resource(s)
             For multiple URLs, keys are file names, values are parsed contents
         error <o|null> Error(s)
             For multiple URLs, keys are file names, values are error objects
@@ -225,7 +225,7 @@ Ox.getJSONP <f> Get and parse one or more remote JSONP files
     url <s|a> One or more remote URLs
         {callback} gets replaced with jsonp callback function name
     callback <f> Callback function
-        data <*|o> The parsed content of the remote resource(s)
+        data <*|o|null> The parsed content of the remote resource(s)
             For multiple URLs, keys are file names, values are parsed contents
         error <o|null> Error(s)
             For multiple URLs, keys are file names, values are error objects