diff --git a/extensions/project-descriptor.md b/extensions/project-descriptor.md
index f495f57..cf25143 100644
--- a/extensions/project-descriptor.md
+++ b/extensions/project-descriptor.md
@@ -198,7 +198,7 @@ name = "JAVA_OPTS"
 value = "-Xmx1g"
 ```
 
-## Definitions
+## Terminology
 
 * **Inline Buildpack** - a type of buildpack that can be defined in the same repo as the app it is used with