diff --git a/2015/dynamic-tools.slide b/2015/dynamic-tools.slide
index c50ce7f..30ab740 100644
--- a/2015/dynamic-tools.slide
+++ b/2015/dynamic-tools.slide
@@ -150,7 +150,7 @@
 
 * Randomized testing
 
-A different appraoch to testing that finds [lots of] bugs that other testing approaches do not. Intended mostly for programs that parse complex inputs.
+A different approach to testing that finds [lots of] bugs that other testing approaches do not. Intended mostly for programs that parse complex inputs.
 
 Generate random blob -> feed into program -> see if it crashes -> profit!