diff --git a/src/layer.js b/src/layer.js
index c949f7e5a5..c51e652ee7 100644
--- a/src/layer.js
+++ b/src/layer.js
@@ -410,7 +410,7 @@ var layer = function (arg) {
   /**
    * Get/Set if the layer has been initialized.
    *
-   * @param {boolean} [val] If specified, update the intialized value.
+   * @param {boolean} [val] If specified, update the initialized value.
    *    Otherwise, return the current instance.
    * @returns {boolean|this} Either the initialized value or this.
    */
@@ -448,9 +448,9 @@ var layer = function (arg) {
 
   /**
    * Get or set the attribution html content that will displayed with the
-   * layer.  By default, nothing will be displayed.  Note, this content
-   * is **not** html escaped, so care should be taken when renderering
-   * user provided content.
+   * layer.  By default, nothing will be displayed.  Note, this content is
+   * **not** html escaped, so care should be taken when rendering user provided
+   * content.
    *
    * @param {string?} arg An html fragment
    * @returns {string|this} Chainable as a setter
@@ -606,7 +606,7 @@ var layer = function (arg) {
   /**
    * Get or set the current layer opacity.  The opacity is in the range [0-1].
    * An opacity of 0 is not the same as setting `visible(false)`, as
-   * interactions can still occurr with the layer.
+   * interactions can still occur with the layer.
    *
    * @param {number} [opacity] If specified, set the opacity.  Otherwise,
    *    return the opacity.
diff --git a/src/svg/vectorFeature.js b/src/svg/vectorFeature.js
index c003265b35..5d249818ff 100644
--- a/src/svg/vectorFeature.js
+++ b/src/svg/vectorFeature.js
@@ -259,7 +259,7 @@ var svg_vectorFeature = function (arg) {
     m_style.classes = ['svgVectorFeature'];
     m_style.visible = m_this.visible;
 
-    // Add markers to the defition list
+    // Add markers to the definition list
     updateMarkers(data, s_style.strokeColor, s_style.strokeOpacity, s_style.originStyle, s_style.endStyle);
 
     // pass to renderer to draw
diff --git a/src/tile.js b/src/tile.js
index 229bdaef15..531d003082 100644
--- a/src/tile.js
+++ b/src/tile.js
@@ -142,9 +142,9 @@ var tile = function (spec) {
   };
 
   /**
-   * Return a unique string representation of the given tile useable as a
-   * hash key.  Possibly extend later to include url information to make
-   * caches aware of the tile source.
+   * Return a unique string representation of the given tile useble as a hash
+   * key.  Possibly extend later to include url information to make caches
+   * aware of the tile source.
    *
    * @returns {string}
    */