diff --git a/Manuals/Repository/Docbook/Introduction.ent b/Manuals/Repository/Docbook/Introduction.ent
index 9524db9..b63ae4a 100644
--- a/Manuals/Repository/Docbook/Introduction.ent
+++ b/Manuals/Repository/Docbook/Introduction.ent
@@ -1,6 +1,6 @@
 <!ENTITY intro              SYSTEM "Introduction.docbook">
-<!ENTITY intro-history      SYSTEM "Introduction/history.docbook">
-<!ENTITY intro-copying      SYSTEM "Introduction/copying.docbook">
-<!ENTITY intro-docconvs     SYSTEM "Introduction/docconvs.docbook">
-<!ENTITY intro-usage        SYSTEM "Introduction/usage.docbook">
-<!ENTITY intro-feedback     SYSTEM "Introduction/feedback.docbook">
+<!ENTITY intro-history      SYSTEM "Introduction/History.docbook">
+<!ENTITY intro-copying      SYSTEM "Introduction/Copying.docbook">
+<!ENTITY intro-docconvs     SYSTEM "Introduction/Docconvs.docbook">
+<!ENTITY intro-usage        SYSTEM "Introduction/Repoconvs.docbook">
+<!ENTITY intro-feedback     SYSTEM "Introduction/Feedback.docbook">