Update designing-a-web-part-icon.md

Author: ajford76

docs/design/designing-a-web-part-icon.md

@@ -12,19 +12,19 @@ Web Part icons are designed to be simple, representative, and symbolic. Every ic
 
 ## Grid keyline shapes
 
-Web parts cons are displayed at 32 x 32 px. Create icons at 100% to ensure pixels are accurate. 
+Web parts icons are displayed at 32x32 px. Create icons at 100% to ensure pixels are accurate. 
 
 ![Web part icon grid](../images/02_Icons_sizes.png)
 
 ## Layout
 
-Icons should be designed inside of the 64 x 64 pixel container area, to insure that the icons renders correctly.
+Icons should be designed inside of the 64 x 64 pixel container area, to insure that the icons renders correctly. 
 
 ![Example grid for web part icons at 64px](../images/03_Icons_Layout.png)
 
 ## Shapes
 
-Not all icons or logos are designed in a perfect square. Use this guide of basic shapes to understand how to unify different icon shapes within the grid and appear at a proportional size.
+Not all icons or logos are designed in a perfect square. Use this guide of basic shapes to understand how to unify different icon shapes within the grid and appear at a proportional size. Make sure that the icon fills either the full width or height of the grid depending on its shape.
 
 ![Example of aligning icons that are differnt shapes within the grid](../images/04_Icons_shapes.png)
 
@@ -39,13 +39,13 @@ Try to avoid any icon distortion by snapping your edges to the X and Y coordinat
 
 The icon is the visual expression of your web part and its function. They can help communicate the core idea of your web part simply and boldly.
 
-Web part icons can contain one color or full color. Most icons work best when using extremely simplified shapes, thin two-pixel lines similar to the Office UI Fabric icons. In some cases there may be a need to use a company brand icon or logo mark in full color. If there is a one color version of the icon available consider using this version first.
+Web part icons can contain one color or be full color. Most icons work best when using extremely simplified shapes, thin two-pixel lines similar to the Office UI Fabric icons. In some cases there may be a need to use a company brand icon or logo mark in full color. If there is a one color version of the icon available consider using this version first.
 
 ![One color, two color and full color icon examples](../images/06_Icons_colors.png)
 
 ## Exporting your icons
 
-Icons should be exported as SVGs at 64x64 px and should all have transparent backgrounds.
+Icons should be exported as SVGs at 64x64 px and should have transparent backgrounds.
 
 You can find the icon grid in the [SharePoint Design toolkit](https://developer.microsoft.com/en-us/fabric#/resources).