diff --git a/README.md b/README.md
index 6d1ebc2..5727b57 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ See [this](https://www.postgresql.org/docs/11/ddl-foreign-data.html) for general
 #### Filesystem
 
 * source 'file'
-* filepath <filepath>>
+* filepath <filepath>
 
 #### JSON
 
@@ -51,13 +51,13 @@ See [this](https://www.postgresql.org/docs/11/ddl-foreign-data.html) for general
 * delimiter <delimiter>, default: ,
 * quote_char <quote_char>, default: "
 
-#### EXCEL
+#### EXCEL (.xls, .xlsx)
 
  * format 'excel'
  * header <true/false>
  * sheet <sheet_name>, default: first sheet
 
-#### ODF
+#### ODF (.ods)
 
  * format 'odf'
  * header <true/false>