diff --git a/3-Data-Visualization/R-11-visualization-proportions/README.md b/3-Data-Visualization/R/11-visualization-proportions/README.md similarity index 100% rename from 3-Data-Visualization/R-11-visualization-proportions/README.md rename to 3-Data-Visualization/R/11-visualization-proportions/README.md diff --git a/3-Data-Visualization/R-12-visualization-relationships/README.md b/3-Data-Visualization/R/12-visualization-relationships/README.md similarity index 100% rename from 3-Data-Visualization/R-12-visualization-relationships/README.md rename to 3-Data-Visualization/R/12-visualization-relationships/README.md diff --git a/3-Data-Visualization/R-13-meaningful-vizualizations/README.md b/3-Data-Visualization/R/13-meaningful-vizualizations/README.md similarity index 100% rename from 3-Data-Visualization/R-13-meaningful-vizualizations/README.md rename to 3-Data-Visualization/R/13-meaningful-vizualizations/README.md