Document that calling tooltip/popover .show()/.hide() qualifies as manual triggering

Fixes #15465

[skip sauce]

docs/_includes/js/popovers.html

@@ -252,15 +252,15 @@ sagittis lacus vel augue laoreet rutrum faucibus.">
   <p>Initializes popovers for an element collection.</p>
 
   <h4>.popover('show')</h4>
-  <p>Reveals an element's popover. Popovers whose both title and content are zero-length are never displayed.</p>
+  <p>Reveals an element's popover. This is considered a "manual" triggering of the popover. Popovers whose both title and content are zero-length are never displayed.</p>
   {% highlight js %}$('#element').popover('show'){% endhighlight %}
 
   <h4>.popover('hide')</h4>
-  <p>Hides an element's popover.</p>
+  <p>Hides an element's popover. This is considered a "manual" triggering of the popover.</p>
   {% highlight js %}$('#element').popover('hide'){% endhighlight %}
 
   <h4>.popover('toggle')</h4>
-  <p>Toggles an element's popover.</p>
+  <p>Toggles an element's popover. This is considered a "manual" triggering of the popover.</p>
   {% highlight js %}$('#element').popover('toggle'){% endhighlight %}
 
   <h4>.popover('destroy')</h4>

docs/_includes/js/tooltips.html

@@ -213,15 +213,15 @@ $('#example').tooltip(options)
   <p>Attaches a tooltip handler to an element collection.</p>
 
   <h4>.tooltip('show')</h4>
-  <p>Reveals an element's tooltip. Tooltips with zero-length titles are never displayed.</p>
+  <p>Reveals an element's tooltip. This is considered a "manual" triggering of the tooltip. Tooltips with zero-length titles are never displayed.</p>
   {% highlight js %}$('#element').tooltip('show'){% endhighlight %}
 
   <h4>.tooltip('hide')</h4>
-  <p>Hides an element's tooltip.</p>
+  <p>Hides an element's tooltip. This is considered a "manual" triggering of the tooltip.</p>
   {% highlight js %}$('#element').tooltip('hide'){% endhighlight %}
 
   <h4>.tooltip('toggle')</h4>
-  <p>Toggles an element's tooltip.</p>
+  <p>Toggles an element's tooltip. This is considered a "manual" triggering of the tooltip.</p>
   {% highlight js %}$('#element').tooltip('toggle'){% endhighlight %}
 
   <h4>.tooltip('destroy')</h4>