diff --git a/README.md b/README.md
index 0167421..a3a116f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
-## masscode_merge
+# masscode_merge
 
-Utility to merge massCode snippet databases
+##### Utility to merge massCode snippet databases
 
 
 
@@ -10,7 +10,7 @@ I needed to merge databases from my Mac and PC into a new unified database.
 
 So, `masscode_merge` was born.
 
-masscode_merge processes both db files, and merges then into a single db file, preserving folder structures, including nested folders.
+masscode_merge processes both db files, and merges then into a single db file, preserving folder structures, including nested folders, while avoiding duplicates.
 
 
 
@@ -19,3 +19,7 @@ It is coded in [BCX](https://bcxbasiccoders.com/), which is a Basic to C/C++ tra
 It is currently Windows-only, but Linux and macOS versions are being worked on.
 
 
+
+### How to use, once compiled
+
+Usage: merge_masscode.exe <file1.db> <file2.db>