diff --git a/core/utils.js b/core/utils.js
index 1fba62ef7..3f9fc146f 100644
--- a/core/utils.js
+++ b/core/utils.js
@@ -588,10 +588,10 @@ Blockly.utils.getBlockTypeCounts = function(block, opt_stripFollowing) {
 
 /**
  * Converts screen coordinates to workspace coordinates.
- * @param {Blockly.Workspace_Svg} ws The workspace to find the coordinates on.
+ * @param {Blockly.WorkspaceSvg} ws The workspace to find the coordinates on.
  * @param {Blockly.utils.Coordinate} screenCoordinates The screen coordinates to be
  * converted to workspace coordintaes
- * @return {goog.math.Coorindate} The workspace coordinates.
+ * @return {goog.math.Coordinate} The workspace coordinates.
  * @package
  */
 Blockly.utils.screenToWsCoordinates = function(ws, screenCoordinates) {