Update README.md

README.md

@@ -12,7 +12,7 @@
 
 4. in the /www/floorplan/solar/ folder (create it if it doesn't exist) copy the panelsunpower.svg file inside it and create a file with the name panelsunpower.css (for any CSS-type changes) 
 
-5. in HA create a new plank (settings/Planks "add planks"), open the new plank created click on the 3 vertical dots at the top right to edit the plank, click again on the 3 vertical dots for textual configuration editor and copy the panelsolar.yaml file into it
+5. in HA create a new plank (settings/Planks "add planks"), open the new plank created click on the 3 vertical dots at the top right to edit the plank, click again on the 3 vertical dots for textual configuration editor and copy the plan_panelsolar.yaml file into it
 
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