chore(readme): Update documentation to sound relevant to end user of grid

Author: seejamescode

examples/bootstrap/css-gridish/README.md

@@ -109,13 +109,11 @@ We provide the fixed height variables for items that are not direct children of
 }
 ```
 
-## Utility Mixin and Functions
-
-Gridish has several utility SCSS functions and a mixin to help you add sizing to elements and components within your grid by using your own grid configuration.
-
+## Mixins and Functions
 
 ### Media Query Mixin
-You can use the media query mixin to use breakpoints you've defined.
+
+You can use the media query mixin to use breakpoints you’ve defined.
 
 **Example SCSS**
 ```scss
@@ -135,9 +133,10 @@ button {
 }
 ```
 
-Moreover, can then **combine this mixin with the functions below** to construct media queries that set fluid and fixed sizes based on your grid configuration.
+You can then **combine this mixin with the functions below** to construct media queries that set fluid and fixed sizes based on this grid.
 
 ### Get a Fluid Size
+
 Use the `get-fluid-size()` SCSS function to calculate a fluid width based on: (1) a defined breakpoints, and (2) a number of columns to span, relative to the number of available columns for the given breakpoint.
 
 **Example SCSS**

examples/bootstrap/css-gridish/bootstrap-grid.sketch

@@ -109,13 +109,11 @@ We provide the fixed height variables for items that are not direct children of
 }
 ```
 
-## Utility Mixin and Functions
-
-Gridish has several utility SCSS functions and a mixin to help you add sizing to elements and components within your grid by using your own grid configuration.
-
+## Mixins and Functions
 
 ### Media Query Mixin
-You can use the media query mixin to use breakpoints you've defined.
+
+You can use the media query mixin to use breakpoints you’ve defined.
 
 **Example SCSS**
 ```scss
@@ -135,9 +133,10 @@ button {
 }
 ```
 
-Moreover, can then **combine this mixin with the functions below** to construct media queries that set fluid and fixed sizes based on your grid configuration.
+You can then **combine this mixin with the functions below** to construct media queries that set fluid and fixed sizes based on this grid.
 
 ### Get a Fluid Size
+
 Use the `get-fluid-size()` SCSS function to calculate a fluid width based on: (1) a defined breakpoints, and (2) a number of columns to span, relative to the number of available columns for the given breakpoint.
 
 **Example SCSS**

examples/carbon/css-gridish/README.md

@@ -113,13 +113,11 @@ We provide the fixed height variables for items that are not direct children of
 }
 ```
 
-## Utility Mixin and Functions
-
-Gridish has several utility SCSS functions and a mixin to help you add sizing to elements and components within your grid by using your own grid configuration.
-
+## Mixins and Functions
 
 ### Media Query Mixin
-You can use the media query mixin to use breakpoints you've defined.
+
+You can use the media query mixin to use breakpoints you’ve defined.
 
 **Example SCSS**
 ```scss
@@ -139,9 +137,10 @@ button {
 }
 ```
 
-Moreover, can then **combine this mixin with the functions below** to construct media queries that set fluid and fixed sizes based on your grid configuration.
+You can then **combine this mixin with the functions below** to construct media queries that set fluid and fixed sizes based on this grid.
 
 ### Get a Fluid Size
+
 Use the `get-fluid-size()` SCSS function to calculate a fluid width based on: (1) a defined breakpoints, and (2) a number of columns to span, relative to the number of available columns for the given breakpoint.
 
 **Example SCSS**

examples/carbon/css-gridish/bx-grid.sketch

@@ -109,13 +109,11 @@ We provide the fixed height variables for items that are not direct children of
 }
 ```
 
-## Utility Mixin and Functions
-
-Gridish has several utility SCSS functions and a mixin to help you add sizing to elements and components within your grid by using your own grid configuration.
-
+## Mixins and Functions
 
 ### Media Query Mixin
-You can use the media query mixin to use breakpoints you've defined.
+
+You can use the media query mixin to use breakpoints you’ve defined.
 
 **Example SCSS**
 ```scss
@@ -135,9 +133,10 @@ button {
 }
 ```
 
-Moreover, can then **combine this mixin with the functions below** to construct media queries that set fluid and fixed sizes based on your grid configuration.
+You can then **combine this mixin with the functions below** to construct media queries that set fluid and fixed sizes based on this grid.
 
 ### Get a Fluid Size
+
 Use the `get-fluid-size()` SCSS function to calculate a fluid width based on: (1) a defined breakpoints, and (2) a number of columns to span, relative to the number of available columns for the given breakpoint.
 
 **Example SCSS**