Small docs improvements

docs/content/en/_index.html

@@ -8,7 +8,7 @@ linkTitle: "Moor"
 {{< blocks/cover title="Moor: Persistence library for Dart" image_anchor="top" height="med" color="indigo" >}}
 <div class="mx-auto">
 	<a class="btn btn-lg btn-primary mr-3 mb-4" href="{{< relref "/docs" >}}">
-		Learn More <i class="fas fa-arrow-alt-circle-right ml-2"></i>
+		Learn moor <i class="fas fa-arrow-alt-circle-right ml-2"></i>
 	</a>
 	<a class="btn btn-lg btn-secondary mr-3 mb-4" href="https://pub.dev/packages/moor_flutter">
 		Get fom pub <i class="fas fa-code ml-2 "></i>

moor/lib/src/runtime/query_builder/expressions/text.dart

@@ -19,6 +19,8 @@ extension StringExpressionOperators on Expression<String> {
 
   /// Whether this expression contains [substring].
   ///
+  /// Note that this is case-insensitive for the English alphabet only.
+  ///
   /// This is equivalent to calling [like] with `%<substring>%`.
   Expression<bool> contains(String substring) {
     return like('%$substring%');