diff --git a/12.temporary_ins/65.geometrical-optics/50.simple-elements/20.mirror/20.overview/cheatsheet.es.md b/12.temporary_ins/65.geometrical-optics/50.simple-elements/20.mirror/20.overview/cheatsheet.es.md
new file mode 100644
index 000000000..81837bb08
--- /dev/null
+++ b/12.temporary_ins/65.geometrical-optics/50.simple-elements/20.mirror/20.overview/cheatsheet.es.md
@@ -0,0 +1 @@
+espejo
\ No newline at end of file