Fix for typo

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/DartModelUtil.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/DartModelUtil.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/DartModelUtil.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/DartModelUtil.java
index 489dff3d3513b1570075a4e64438a08735868307..1e8f59a156dfcdeb01eb17bc75e04ab981ba88d7 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/DartModelUtil.java
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/util/DartModelUtil.java
@@ -510,7 +510,7 @@ public final class DartModelUtil {
    * @param refTypeSig the type name in signature notation (for example 'QVector') this can also be
    *          an array type, but dimensions will be ignored.
    * @param declaringType the context for resolving (type where the reference was made in)
-   * @return returns the fully qualified type name or build-in-type name. if a unresolved type
+   * @return returns the fully qualified type name or built-in-type name. if a unresolved type
    *         couldn't be resolved null is returned
    */
   public static String getResolvedTypeName(String refTypeSig, Type declaringType)