diff --git a/src/main/java/com/houarizegai/calculator/theme/ThemeLoader.java b/src/main/java/com/houarizegai/calculator/theme/ThemeLoader.java
index e01f81e..3ba56fa 100644
--- a/src/main/java/com/houarizegai/calculator/theme/ThemeLoader.java
+++ b/src/main/java/com/houarizegai/calculator/theme/ThemeLoader.java
@@ -16,6 +16,17 @@ private ThemeLoader() {
         throw new AssertionError("Constructor is not allowed");
     }
 
+    /**
+     * Loads themes from the application.yaml file and returns them as a map.
+     *
+     * @return A map containing the loaded themes.
+     * @throws IOException if an I/O error occurs while reading the application.yaml file.
+     *
+     * Example:
+     * <pre>{@code
+     * Map<String, Theme> themes = loadThemes();
+     * }</pre>
+     */
     public static Map<String, Theme> loadThemes() {
         
         ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
@@ -28,6 +39,18 @@ public static Map<String, Theme> loadThemes() {
         }
     }
 
+    /**
+     * Loads themes from the specified YAML file and returns a map of theme names to Theme objects.
+     *
+     * @param theme the name of the theme to load
+     * @return a map of theme names to Theme objects
+     * @throws IOException if an error occurs while reading the YAML file
+     *
+     * Example:
+     * <pre>{@code
+     * Map<String, Theme> themes = loadThemes("default");
+     * }</pre>
+     */
     public static Map<String, Theme> loadThemes(String theme) {
         ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
         mapper.findAndRegisterModules();
@@ -39,6 +62,18 @@ public static Map<String, Theme> loadThemes(String theme) {
         }
     }
 
+    /**
+     * Loads themes from the specified YAML file and returns a map of theme names to Theme objects.
+     *
+     * @param theme the theme to load
+     * @param dType the type of the theme
+     * @return a map of theme names to Theme objects
+     * @throws IOException if an I/O error occurs while reading the YAML file
+     *
+     * Example:
+     *
+     * Map<String, Theme> themes = loadThemes("default", "dark");
+     */
     public static Map<String, Theme> loadThemes(String theme, String dType) {
         ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
         mapper.findAndRegisterModules();