diff --git a/kiss/sage/sage.pdf b/kiss/sage/sage.pdf
index bf77adafe02be60be8622435305d3b6656a85132..95301978404d4c056a4f63712b464ecfbf3606bb 100644
Binary files a/kiss/sage/sage.pdf and b/kiss/sage/sage.pdf differ
diff --git a/kiss/sage/sage.tex b/kiss/sage/sage.tex
index aae02eb4813ba17a178ea225721a4a59c2f9a3f8..9d3cd72e37f5935333a05e59d7b9a57bb38eb438 100644
--- a/kiss/sage/sage.tex
+++ b/kiss/sage/sage.tex
@@ -204,7 +204,7 @@
   \]
  \item<+-> Zweite Ableitung
   \begin{sageblock}
-   d=diff(x^3, x, x) # oder diff(x^3, x, 2)s
+   d=diff(x^3, x, x) # oder diff(x^3, x, 2)
   \end{sageblock}
   \[
    \sage{d}
@@ -259,7 +259,7 @@
 
 \begin{sageblock}
  assume(omega != 0)
- s=desolve(diff(diff(f, x), x) == -omega^2*f, f, ivar=x)
+ s=desolve(diff(f, x, 2) == -omega^2*f, f, ivar=x)
 \end{sageblock}
 \[
  \sage{s}