Update redbean documentation for consistency and to fix a typo (#97).

tool/net/help.txt

@@ -591,7 +591,7 @@ FUNCTIONS
            message, then this function will fold those multiple entries into
            a single string.
 
-   GetHeaders() → {name:str = value:str, ...}
+   GetHeaders() → {name:str=value:str,...}
            Returns HTTP headers as dictionary mapping header key strings to
            their UTF-8 decoded values. The ordering of headers from the
            request message is not preserved. Whether or not the same key can
@@ -625,7 +625,7 @@ FUNCTIONS
            Anything else that the RFC classifies as a "token" string is
            accepted too, which might contain characters like &".
 
-   GetParams() → {{name:str[, value:str]}, ...}
+   GetParams() → {{name:str[,value:str]},...}
            Returns name=value parameters from Request-URL and
            application/x-www-form-urlencoded message body in the order they
            were received. This may contain duplicates. The inner array will
@@ -673,7 +673,7 @@ FUNCTIONS
            minor (mm), and patch (pp) versions encoded. The version value 1.4
            would be represented as 0x010400.
 
-   GetZipPaths() → array[str]
+   GetZipPaths() → {path:str,...}
            Returns paths of all assets in the zip central directory, prefixed
            by a slash.
 
@@ -866,7 +866,7 @@ FUNCTIONS
 
    Sleep(seconds:number)
            Sleeps the specified number of seconds (can be fractional). The
-           smallest interval is a millisecond.
+           smallest interval is a microsecond.
 
    Route([host:str,[path:str]])
            Instructs redbean to follow the normal HTTP serving path. This