Update readme.md

dataclear · web-flow · commit 9fffff6164e1 · 2022-04-26T14:13:06.000+01:00
diff --git a/excel/generate_sql/readme.md b/excel/generate_sql/readme.md
@@ -1,7 +1,7 @@
 Generates a SQL script to generate a local table variable and populate it based on the current selection.
 
 Given the input:
-![Excel screenshot](http://url/to/img.png)
+![Excel screenshot](https://github.com/dataclear/code-snippets/raw/main/excel/generate_sql/excel_gen_sql.png)
 
 Will generate output:
 
