docs: clean-up

Author: mrholek

docs/content/components/buttons.md

@@ -1,7 +1,7 @@
 ---
 layout: docs
 title: Buttons
-description: Bootstrap button component for actions in tables, forms, cards, and more. CoreUI 4 for Bootstrap provides various styles, states, and size. Ready to use and easy to customize.
+description: Bootstrap button component for actions in tables, forms, cards, and more. CoreUI for Bootstrap provides various styles, states, and size. Ready to use and easy to customize.
 group: components
 aliases:
   - "/components/button/"

docs/content/content/typography.md

@@ -266,7 +266,7 @@ Align terms and descriptions horizontally by using our grid system's predefined
 
 ## Responsive font sizes
 
-In CoreUI 4 for Bootstrap, we've enabled responsive font sizes by default, allowing text to scale more naturally across device and viewport sizes. Have a look at the [RFS page]({{< docsref "/getting-started/rfs" >}}) to find out how this works.
+In CoreUI for Bootstrap, we've enabled responsive font sizes by default, allowing text to scale more naturally across device and viewport sizes. Have a look at the [RFS page]({{< docsref "/getting-started/rfs" >}}) to find out how this works.
 
 ## Customization
 

docs/content/layout/css-grid.md

@@ -16,7 +16,7 @@ CoreUI for Bootstrap's default grid system represents the culmination of over a
 
 ## How it works
 
-With CoreUI 4, we've added the option to enable a separate grid system that's built on CSS Grid, but with a CoreUI twist. You still get classes you can apply on a whim to build responsive layouts, but with a different approach under the hood.
+With CoreUI, we've added the option to enable a separate grid system that's built on CSS Grid, but with a CoreUI twist. You still get classes you can apply on a whim to build responsive layouts, but with a different approach under the hood.
 
 - **CSS Grid is opt-in.** Disable the default grid system by setting `$enable-grid-classes: false` and enable the CSS Grid by setting `$enable-cssgrid: true`. Then, recompile your Sass.