diff --git a/README.md b/README.md
index 5c62acdb..279da6a0 100644
--- a/README.md
+++ b/README.md
@@ -263,10 +263,12 @@ Below are listed the configuration sections and configuration fields.
     - "ErrorModel": store data with error model [6]
 
 - **Trace setups**
-  - *id*
-    - trace setup id
+  - *id* (string)
+    - Trace setup id. Two files are generated by DRAMSys: an SQLite database
+      file ".tdb" and a text file ".txt" containing the program output. The
+      name of these files comes from this field.
   - *clkMhz*
-    - speed of the trace player
+    - Speed of the trace player
 
 Some attributes are self-explanatory while others require some previous
 knowhow of memory technologies or some knowledge of the simulator source code.