Fix summary.md link to chapter 9

lefticus · web-flow · commit fe0fcf90404a · 2020-04-12T21:38:48.000-06:00
diff --git a/SUMMARY.md b/SUMMARY.md
@@ -8,7 +8,7 @@
 * [Considering Portability](06-Considering_Portability.md)
 * [Considering Threadability](07-Considering_Threadability.md)
 * [Considering Performance](08-Considering_Performance.md)
-* [Considering Correctness](09-Considering_Performance.md)
+* [Considering Correctness](09-Considering_Correctness.md)
 * [Enable Scripting](10-Enable_Scripting.md)
 * [Further Reading](11-Further_Reading.md)
 * [Final Thoughts](12-Final_Thoughts.md)

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`* [Considering Portability](06-Considering_Portability.md)`
`9`	`9`	`* [Considering Threadability](07-Considering_Threadability.md)`
`10`	`10`	`* [Considering Performance](08-Considering_Performance.md)`
`11`		`-* [Considering Correctness](09-Considering_Performance.md)`
	`11`	`+* [Considering Correctness](09-Considering_Correctness.md)`
`12`	`12`	`* [Enable Scripting](10-Enable_Scripting.md)`
`13`	`13`	`* [Further Reading](11-Further_Reading.md)`
`14`	`14`	`* [Final Thoughts](12-Final_Thoughts.md)`