diff --git a/help/titan_main.html b/help/titan_main.html
index aba6fc97bf0c4b3309a7067a6bec5ef6dc770d30..6580125e78fa5f5dd991fd3d80765e35a44a05dc 100644
--- a/help/titan_main.html
+++ b/help/titan_main.html
@@ -97,19 +97,19 @@
   <p align="left">TITAN documentation
   <ul>
     <li>
-    <p align="left"><a href="docs/userguide.pdf" target="_blank">TITAN User Guide</a>
+    <p align="left"><a href="docs/UserGuide.pdf" target="_blank">TITAN User Guide</a>
     </li>
     <li>
-    <p align="left"><a href="docs/Eclipse_Designer_userguide.pdf" target="_blank">TITAN Designer for the Eclipse IDE User Guide</a>
+    <p align="left"><a href="docs/DesignerUserGuide.pdf" target="_blank">TITAN Designer for the Eclipse IDE User Guide</a>
     </li>
     <li>
-    <p align="left"><a href="docs/Eclipse_Executor_userguide.pdf" target="_blank">TITAN Executor for the Eclipse IDE User Guide</a>
+    <p align="left"><a href="docs/ExecutorUserGuide.pdf" target="_blank">TITAN Executor for the Eclipse IDE User Guide</a>
     </li>
     <li>
-    <p align="left"><a href="docs/referenceguide.pdf" target="_blank">Programmer's Technical Reference for TITAN</a>
+    <p align="left"><a href="docs/ReferenceGuide.pdf" target="_blank">Programmer's Technical Reference for TITAN</a>
     </li>
     <li>
-    <p align="left"><a href="docs/apiguide.pdf" target="_blank">API Technical Reference for TITAN</a>
+    <p align="left"><a href="docs/ApiGuide.pdf" target="_blank">API Technical Reference for TITAN</a>
     </li>
     <li>
     <p align="left"><a href="docs/installationguide.pdf" target="_blank">TITAN Installation Guide</a>