diff --git a/doc/D03_WrongStackAlignment.dox b/doc/D03_WrongStackAlignment.dox
index 3e6fc03d6..b0e42edce 100644
--- a/doc/D03_WrongStackAlignment.dox
+++ b/doc/D03_WrongStackAlignment.dox
@@ -2,6 +2,9 @@ namespace Eigen {
 
 /** \page TopicWrongStackAlignment Compiler making a wrong assumption on stack alignment
 
+<h4>It appears that this was a GCC bug that has been fixed in GCC 4.5.
+If you hit this issue, please upgrade to GCC 4.5 and report to us, so we can update this page.</h4>
+
 This is an issue that, so far, we met only with GCC on Windows: for instance, MinGW and TDM-GCC.
 
 By default, in a function like this,
diff --git a/doc/Overview.dox b/doc/Overview.dox
index 4cd872e43..59c043553 100644
--- a/doc/Overview.dox
+++ b/doc/Overview.dox
@@ -23,18 +23,16 @@ For a first contact with Eigen, the best place is to have a look at the \ref Get
     - \ref TutorialArrayClass
     - \ref TutorialBlockOperations
     - \ref TutorialAdvancedInitialization
-    - Comming soon: "Reductions, visitors, and broadcasting"
+    - Coming soon: "Reductions, visitors, and broadcasting"
     - \ref TutorialLinearAlgebra
     - \ref TutorialGeometry
-    - \ref TutorialSparseMatrix
+    - \ref TutorialSparse
   - \ref QuickRefPage
   - <b>Advanced topics</b>
     - \ref TopicLazyEvaluation
     - \ref TopicLinearAlgebraDecompositions
     - \ref TopicCustomizingEigen
     - \ref TopicInsideEigenExample
-    - \ref TopicHiPerformance
-  - <b>Topics on getting high performances</b>
     - \ref TopicWritingEfficientProductExpression
   - <b>Topics related to alignment issues</b>
     - \ref TopicUnalignedArrayAssert