diff --git a/homework.inc.tex b/homework.inc.tex
index a2d11e8..63e7161 100644
--- a/homework.inc.tex
+++ b/homework.inc.tex
@@ -46,7 +46,7 @@ Alles kann mit dem Rollmesser oder Cutter kalt geschnitten werden, da wir alle K
     \caption{Verschiedene Lineale}\label{fig:miscRuler}
 \end{figure}
 \begin{ImHandout}
-    \newpage
+            \newpage
 \end{ImHandout}
 
 \section{Was bestellen?}
@@ -163,7 +163,7 @@ definiert.
 
 Als Besonderheit nähert sich der Quotient zweier Aufeinanderfolgender Fibonacci-Zahlen dem Goldenen Schnitt ($\approx$\,1,6180339887) an.
 
-Die Streifen im Fibonacci-Muster folgen der Breite der Fibnacci-Folge und bilden durche ihre Nähe zum Goldenen Schnitt einen sehr ästhetischen Anblick.
+Die Streifen im Fibonacci-Muster folgen der Breite der Fibonacci-Folge und bilden durche ihre Nähe zum Goldenen Schnitt einen sehr ästhetischen Anblick.
 
 \begin{figure*}[t]
     \centering
@@ -232,7 +232,7 @@ Das Muster besteht aus 4 Blöcken. Jeder Block kann individuell farbig gestaltet
 \end{tabularx}
 
 
-\subsection{Siebenfarbig}
+\subsection{Sechsfarbig}
 
 Wir brauchen Streifen in 6~Farben und einer \glqq{}Fugenfarben\grqq{} wie folgt:
 
diff --git a/quellen.bib b/quellen.bib
index 96f1da9..a745882 100644
--- a/quellen.bib
+++ b/quellen.bib
@@ -1,67 +1,67 @@
-@online{wiki:patchwork,
-	author = {Wikipedia Deutschland},
-	title = {Patchwork},
-	year = 2019,
-	url = {https://de.wikipedia.org/wiki/Patchwork},
-	urldate = {2019-10-28}
+@article{hohi:bedsheet,
+  title     = {Bauplan \glq{}Bedsheet-Kite\grq{}},
+  author    = {Schmidt, Peter and Allee, Wesley and Grauel, Ed},
+  journal   = {Hoch Hinaus},
+  volume    = {4/2002},
+  year      = {2002},
+  publisher = {DCD e.V.}
 }
 
 @online{kpb:bedsheet,
-	author = {Kite Plan Base},
-	title = {Bauplan Bedsheet-Kite},
-	url = {https://www.kiteplans.org/planos/bedsheet/bedsheet.html},
-	urldate = {2019-10-28},
-	note = {Archiv-Version von Peter Schmidts Homepage}
-}
-
-@online{www:lonestar,
-	title = {The Lone Star Quilt Design Through Time},
-	url = {http://www.womenfolk.com/quilt_pattern_history/mornstar.htm},
-	urldate= {2019-10-31}
-}
-
-@article{hohi:bedsheet,
-	title={Bauplan \glq{}Bedsheet-Kite\grq{}},
-	author={Schmidt, Peter and Allee, Wesley and Grauel, Ed},
-	journal={Hoch Hinaus},
-	volume={4/2002},
-	year={2002},
-	publisher={DCD e.V.}
+  author  = {Kite Plan Base},
+  title   = {Bauplan Bedsheet-Kite},
+  url     = {https://www.kiteplans.org/planos/bedsheet/bedsheet.html},
+  urldate = {2019-10-28},
+  note    = {Archiv-Version von Peter Schmidts Homepage}
 }
 
 @patent{patent:US4988059,
-	author={Wesley N. Allee},
-	title={Large area single surface display kite},
-	type={US Patent},
-	holder={},
-	number={4,988,059},
-	year={1991},
-	month={1},
-	url={https://patents.google.com/patent/US4988059},
-	hyphenation={english}
+  author      = {Wesley N. Allee},
+  title       = {Large area single surface display kite},
+  type        = {US Patent},
+  holder      = {},
+  number      = {4,988,059},
+  year        = {1991},
+  month       = {1},
+  url         = {https://patents.google.com/patent/US4988059},
+  hyphenation = {english}
 }
 
 @patent{patent:US5074498,
-	author={Wesley N. Allee},
-	title={Single surface display kite},
-	type={US Patent},
-	holder={},
-	number={5,074,498},
-	year={1991},
-	month={12},
-	url={https://patents.google.com/patent/US5074498},
-	hyphenation={english}
+  author      = {Wesley N. Allee},
+  title       = {Single surface display kite},
+  type        = {US Patent},
+  holder      = {},
+  number      = {5,074,498},
+  year        = {1991},
+  month       = {12},
+  url         = {https://patents.google.com/patent/US5074498},
+  hyphenation = {english}
 }
 
 @patent{patent:US5174530,
-	author={Wesley N. Allee},
-	title={Single surface display kite},
-	type={US Patent},
-	holder={},
-	number={5,174,530},
-	year={1992},
-	month={12},
-	url={https://patents.google.com/patent/US5174530},
-	hyphenation={english}
+  author      = {Wesley N. Allee},
+  title       = {Single surface display kite},
+  type        = {US Patent},
+  holder      = {},
+  number      = {5,174,530},
+  year        = {1992},
+  month       = {12},
+  url         = {https://patents.google.com/patent/US5174530},
+  hyphenation = {english}
+}
+
+@online{wiki:patchwork,
+  author  = {Wikipedia Deutschland},
+  title   = {Patchwork},
+  year    = 2019,
+  url     = {https://de.wikipedia.org/wiki/Patchwork},
+  urldate = {2019-10-28}
+}
+
+@online{www:lonestar,
+  title   = {The Lone Star Quilt Design Through Time},
+  url     = {http://www.womenfolk.com/quilt_pattern_history/mornstar.htm},
+  urldate = {2019-10-31}
 }