Doc: Fix minor typos

Pick-to: 5.15
Change-Id: I4c51c40697e410d56b6a2d2446ed9f8ae218576d
Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>

examples/qml/xmlhttprequest/doc/src/xmlhttprequest.qdoc

@@ -31,7 +31,7 @@
     \image qml-xmlhttprequest-example.png
 
     \e XMLHttpRequest contains a small QML example demonstrating \l{Qt QML}'s
-    XMLHTTPRequest functionality. For more information, visit the section about
+    XMLHttpRequest functionality. For more information, visit the section about
     \l{QML Global Object#XMLHttpRequest}{XMLHttpRequest}.
 
     \include examples-run.qdocinc

src/qml/jsapi/qjsvalue.cpp

@@ -415,7 +415,7 @@ bool QJSValue::isObject() const
 }
 
 /*!
-  Returns true if this QJSValue can be called a function, otherwise
+  Returns true if this QJSValue is a function, otherwise
   returns false.
 
   \sa call()

src/qml/qml/v8/qqmlbuiltinfunctions.cpp

@@ -1164,7 +1164,7 @@ Example (where \c parentItem is the id of an existing QML item):
 
 \snippet qml/createQmlObject.qml 0
 
-In the case of an error, a \l {Qt Script} Error object is thrown. This object has an additional property,
+In the case of an error, a QQmlError object is thrown. This object has an additional property,
 \c qmlErrors, which is an array of the errors encountered.
 Each object in this array has the members \c lineNumber, \c columnNumber, \c fileName and \c message.
 For example, if the above snippet had misspelled color as 'colro' then the array would contain an object like the following:

src/quick/items/qquicktableview.cpp

@@ -205,7 +205,7 @@
     \qmlproperty int QtQuick::TableView::columns
     \readonly
 
-    This property holds the number of rows in the table.
+    This property holds the number of columns in the table.
 
     \note \a columns is usually equal to the number of columns in the model, but
     can temporarily differ until all pending model changes have been processed.