diff --git a/src/types/YArray.js b/src/types/YArray.js
index 2afdb7e6..609247bd 100644
--- a/src/types/YArray.js
+++ b/src/types/YArray.js
@@ -162,9 +162,9 @@ export class YArray extends AbstractType {
   }
 
   /**
-   * Preppends content to this YArray.
+   * Prepends content to this YArray.
    *
-   * @param {Array<T>} content Array of content to preppend.
+   * @param {Array<T>} content Array of content to prepend.
    */
   unshift (content) {
     this.insert(0, content)
@@ -206,7 +206,7 @@ export class YArray extends AbstractType {
   }
 
   /**
-   * Transforms this YArray to a JavaScript Array.
+   * Returns a portion of this YArray into a JavaScript Array selected from start to end (end not included).
    *
    * @param {number} [start]
    * @param {number} [end]
diff --git a/src/types/YXmlFragment.js b/src/types/YXmlFragment.js
index 2f37684a..16b54985 100644
--- a/src/types/YXmlFragment.js
+++ b/src/types/YXmlFragment.js
@@ -380,9 +380,9 @@ export class YXmlFragment extends AbstractType {
   }
 
   /**
-   * Preppends content to this YArray.
+   * Prepends content to this YArray.
    *
-   * @param {Array<YXmlElement|YXmlText>} content Array of content to preppend.
+   * @param {Array<YXmlElement|YXmlText>} content Array of content to prepend.
    */
   unshift (content) {
     this.insert(0, content)
@@ -399,7 +399,7 @@ export class YXmlFragment extends AbstractType {
   }
 
   /**
-   * Transforms this YArray to a JavaScript Array.
+   * Returns a portion of this YXmlFragment into a JavaScript Array selected from start to end (end not included).
    *
    * @param {number} [start]
    * @param {number} [end]