typo fixed

Author: caltechdigitaltwin

_pages/book.md

@@ -86,7 +86,7 @@ The slides below that are dated on or after Dec 13, 2024 match the chapters in t
     - Ch 13 Stochastic OPF: <a target = "_blank" download href='../assets/book/slides-202410/'><b> </b></a>  <a target = "_blank" href='../assets/book/slides-202410/'><b> </b></a> 
     - Ch 14 Example applications: <a target = "_blank" download href='../assets/book/slides-202410/'><b> </b></a>  <a target = "_blank" href='../assets/book/slides-202410/'><b> </b></a> 
 
-    - Part III: Unbalanced three-phase networks
+- Part III: Unbalanced three-phase networks
     - Ch 15 & 16 Component models: <a target = "_blank" download href='../assets/keynotes/Low-Ch8-Unbalanced-Components-202208.key'><b>Keynote</b></a>  <a target = "_blank" href='../assets/book/Low-Ch8-Unbalanced-Components-202307.pdf'><b>PDF</b></a>  (last update: July 5, 2023)
     - Ch 17 Bus injection models: <a target = "_blank" download href='../assets/keynotes/Low-Ch9-Unbalanced-BIM-202208.key'><b>Keynote</b></a>  <a target = "_blank" href='../assets/book/Low-Ch9-Unbalanced-BIM-202211.pdf'><b>PDF</b></a> 
     - Ch 18 Branch flow models: radial networks <a target = "_blank" download href='../assets/keynotes/Low-Ch10-Unbalanced-BFM-202208.key'><b>Keynote</b></a>  <a target = "_blank" href='../assets/book/Low-Ch10-Unbalanced-BFM-202212.pdf'><b>PDF</b></a>