diff --git a/5-Clustering/1-Visualize/solution/R/lesson_14.md b/5-Clustering/1-Visualize/solution/R/lesson_14.Rmd
similarity index 100%
rename from 5-Clustering/1-Visualize/solution/R/lesson_14.md
rename to 5-Clustering/1-Visualize/solution/R/lesson_14.Rmd