[Docs] Fix some typos

.github/pull_request_template.md

@@ -54,9 +54,9 @@ Please provide a summary of the tests affected by this work and any unique strat
 <!--- Remove this section if not applicable. -->
 
 - [ ] I have added a new component
-- [ ] I have added [Unit Tests](https://github.com/Microsoft/fluentui-blazor/blob/master/unit-tests.md) for my new compontent
+- [ ] I have added [Unit Tests](https://github.com/Microsoft/fluentui-blazor/blob/master/unit-tests.md) for my new component
 - [ ] I have modified an existing component
-- [ ] I have validated the [Unit Tests](https://github.com/Microsoft/fluentui-blazor/blob/master/unit-tests.md) for an existing component 
+- [ ] I have validated the [Unit Tests](https://github.com/Microsoft/fluentui-blazor/blob/master/unit-tests.md) for an existing component
 
 ## ⏭ Next Steps
 

examples/Demo/Shared/Microsoft.FluentUI.AspNetCore.Components.xml

@@ -7022,7 +7022,7 @@
         </member>
         <member name="P:Microsoft.FluentUI.AspNetCore.Components.FluentOverflowItem.Fixed">
             <summary>
-            Gets or sets if this item dos not participates in overflow logic.
+            Gets or sets if this item does not participate in overflow logic.
             Defaults to false
             </summary>
         </member>

src/Core/Components/Overflow/FluentOverflowItem.razor.cs

@@ -35,7 +35,7 @@ public partial class FluentOverflowItem : IDisposable
     public RenderFragment? ChildContent { get; set; }
 
     /// <summary>
-    /// Gets or sets if this item dos not participates in overflow logic.
+    /// Gets or sets if this item does not participate in overflow logic.
     /// Defaults to false
     /// </summary>
     [Parameter]