diff --git a/Description.md b/Description.md
new file mode 100644
index 0000000..6ba9f47
--- /dev/null
+++ b/Description.md
@@ -0,0 +1,3 @@
+- WriteLevel0Table: Memtable to Pmtable
+- WriteLeveltoSsTable : Pmtable to SSTable
+- dbname_(dbname): NVM path
diff --git a/Descrription.md b/Descrription.md
deleted file mode 100644
index c51300b..0000000
--- a/Descrription.md
+++ /dev/null
@@ -1,2 +0,0 @@
-- WriteLevel0Table: Memtable to Pmtable
-- WriteLeveltoSsTable : Pmtable to  SSTable
\ No newline at end of file