fix: correct typo 'occured' → 'occurred'

README.md

@@ -43,7 +43,7 @@ Version 4 introduces better support for HiDPI (Retina) displays. It allows you t
 
 ## Upgrading to Version 4
 
-There is only 1 breaking change that occured with the version 4 release. When you initialize CamanJS with a canvas and an image, the parameter order has changed. It is now:
+There is only 1 breaking change that occurred with the version 4 release. When you initialize CamanJS with a canvas and an image, the parameter order has changed. It is now:
 
 ``` javascript
 Caman("#canvas-id", "/path/to/image.png", function() {});

src/core/caman.coffee

@@ -531,7 +531,7 @@ class Caman extends Module
     @replaceCanvas(canvas)
 
   # Returns the original pixel data while maintaining any
-  # cropping or resizing that may have occured.
+  # cropping or resizing that may have occurred.
   # **Warning**: this is currently in beta status.
   #
   # @return [Array] Original pixel values still visible after cropping or resizing.