diff --git a/Modules.wiki b/Modules.wiki
index 76a2540..52ea7a3 100644
--- a/Modules.wiki
+++ b/Modules.wiki
@@ -5,7 +5,11 @@
 
 ==The "app" Top-Level Directory==
 
-The "app" top-level directory contains all source control-based resources that will go into the code package that will be uploaded to App Engine as part of Melange's release. It contains several third-party code directories as well as the "soc" directory that contains Melange's first-party production code.
+The "app" top-level directory contains all source control-based resources that will go into the code package that will be uploaded to App Engine as part of Melange's release. It contains several third-party code directories, the "soc" directory that contains Melange's first-party production code, and the configuration files and outermost scripts that mediate App Engine's interaction with Melange's code.
+
+==app/soc==
+
+app/soc is the root of Melange's first-party (authored by Melange developers) code. 
 
 =Dynamic Modules (How Melange Is Organized During Execution)=