small fixes

Change-Id: I47f8b50d4389e34f99c166efa0930e2fe431475e

SlideDeck.qml

@@ -139,7 +139,7 @@ Presentation
             " Do <b>not</b> manually call qmlRegisterType() and friends",
             "Follow the naming rules",
             " <b>upper case</b> for <b>object</b> types and <b>namespaces</b>",
-            " <b>lower case</b> for <b>value</b> types and <b>sequences</b>",
+            " <b>lower case</b> for <b>value</b> types",
         ]
     }
 
@@ -160,8 +160,8 @@ Presentation
     // but clarifies it's not an actual element.
     QML_VALUE_TYPE(wrappedInt)
 
-    // Any properties, signals,
-    // Q_INVOKABLEs are exposed to QML
+    // Any properties, slots and Q_INVOKABLEs
+    // are exposed to QML
     Q_PROPERTY(int i MEMBER m_i FINAL)
 
 private:
@@ -329,7 +329,7 @@ Item {
     }
 
     Slide {
-        title: "List of Value Types (since 6.5)"
+        title: "Lists of Value Types (since 6.5)"
         CppCodeSection {
             text:
 `class WrappedInt