Fixed bug 157991: [rulers] Typo in invalid ruler column description message
diff --git a/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/internal/texteditor/rulers/RulerColumnMessages.properties b/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/internal/texteditor/rulers/RulerColumnMessages.properties
index 46bdca2..f8c209f 100644
--- a/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/internal/texteditor/rulers/RulerColumnMessages.properties
+++ b/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/internal/texteditor/rulers/RulerColumnMessages.properties
@@ -5,7 +5,7 @@
 # {0} a plug-in name, {1} is an extension name, {2} is an extension point id 
 ExtensionPointHelper_invalid_contribution_msg=Plug-in ''{0}'' specifies an illegal extension named ''{1}'' to the ''{2}'' extension point:\ 
 RulerColumnDescriptor_invalid_placement_msg=rulerColumns extensions must contain at most one placement description.
-RulerColumnDescriptor_missing_target_msg=rulerColumns extensions must contain at lease one target specification.
+RulerColumnDescriptor_missing_target_msg=rulerColumns extensions must contain at least one target specification.
 RulerColumnPlacement_illegal_gravity_msg=rulerColumns extensions must specify a gravity in [0,1].
 RulerColumnPlacement_illegal_child_msg=rulerColumns extensions must only contain 'before' and 'after' elements.
 # {0} an extension id