Bug 501580 - "Swap left and right": use consistent terms

Change-Id: I5c2b1b674e3f0ac71a8b5cc1f40a4a0c6a9f027e
diff --git a/bundles/org.eclipse.compare/plugin.properties b/bundles/org.eclipse.compare/plugin.properties
index d314944..1d3cc22 100644
--- a/bundles/org.eclipse.compare/plugin.properties
+++ b/bundles/org.eclipse.compare/plugin.properties
@@ -132,9 +132,9 @@
 ComparePreferencePage.useSingleLine.label= Connect &ranges with single line
 ComparePreferencePage.highlightTokenChanges.label=&Highlight individual changes
 ComparePreferencePage.disableCapping.label=Disable &capping when comparing large documents
-ComparePreferencePage.swapped.label=Swap sid&es
+ComparePreferencePage.swapped.label=S&wap left and right
 
-ComparePreferencePage.preview.label= Previe&w:
+ComparePreferencePage.preview.label= Pre&view:
 ComparePreferencePage.ancestor.label= Common Ancestor
 ComparePreferencePage.left.label= Local
 ComparePreferencePage.right.label= Remote
@@ -164,7 +164,7 @@
 compareFontDefiniton.description= The compare text font is used by textual compare/merge tools.
 
 
-preferenceKeywords.general=merge merging whitespace filter synchronize scrolling ancestor conflict line pseudo navigation next previous capping change difference
+preferenceKeywords.general=merge merging whitespace filter synchronize scrolling ancestor conflict line pseudo navigation next previous capping swap left right change difference
 
 # New UI
 #ComparePreferencePage.useSplines.label= Use splines in center panel