Update documentation for default values

Author: sinn3r

lib/msf/core/exploit/http/server.rb

@@ -803,8 +803,8 @@ def js_base64
 	#                    'ie8', 'ie9', 'ie10', and 'generic'.
 	#   objId         => Optional. The ID for a <div> HTML tag.
 	#   offset        => Optional. Number of bytes to align the shellcode, default: 0x104
-	#   heapBlockSize => Optional. Allocation size, default: 0x40000
-	#   maxAllocs     => Optional. Number of allocation calls, default: 0x250
+	#   heapBlockSize => Optional. Allocation size, default: 0x80000
+	#   maxAllocs     => Optional. Number of allocation calls, default: 0x350
 	#
 	# Example of using the 'sprayHeap' function:
 	#   <div id="blah"></div>