diff --git a/Doc/Sd1/Ref/CoreClasses/Strings/newString.muti.svg b/Doc/Sd1/Ref/CoreClasses/Strings/newString.multi.svg
similarity index 100%
rename from Doc/Sd1/Ref/CoreClasses/Strings/newString.muti.svg
rename to Doc/Sd1/Ref/CoreClasses/Strings/newString.multi.svg
diff --git a/Doc/Sd1/coreClasses.xml b/Doc/Sd1/coreClasses.xml
index c3e9db4af1e708e2e5fa8cea3694f5653dba8a0c..5da796e55654a0b112b7472e08f28b0f2891f1e1 100644
--- a/Doc/Sd1/coreClasses.xml
+++ b/Doc/Sd1/coreClasses.xml
@@ -64,7 +64,7 @@
 
     <mediaobject>
       <imageobject>
-        <imagedata fileref="Ref/CoreClasses/Strings/newString.muti.svg"/>
+        <imagedata fileref="Ref/CoreClasses/Strings/newString.multi.svg"/>
       </imageobject>
     </mediaobject>
   </figure>