diff --git a/UseCases.md b/UseCases.md
index faca7d3..dcb786a 100644
--- a/UseCases.md
+++ b/UseCases.md
@@ -7,7 +7,7 @@ Use Cases
 |*name*|*number of nodes*|*administrative domains*|*node capacity*|*node availability*|*churn*|
 |*friendnet*|2-10|many domains, but all trusted|mixed|mixed|low|
 |*proprietary grid -- 1x upload*|2-30|one domain|uniform|high|low|
-|*proprietary grid -- p2p upload*|2-50000|one domain for servers, many for clients|uniform|high|low|
+|*proprietary grid -- p2p upload*|2-50,000|one domain for servers, many for clients|uniform|high|low|
 |*hivecache*|10-1000|one domain, but not as well controlled|somewhat uniform|high|low|
 |*Allmydata plus customers*|10-10,000|many|mixed|mixed|medium|
 |*global grid*|any|many|mixed|mixed|high|