typo

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

spec.md

@@ -49,7 +49,7 @@ A **Project** is an individual deployment of an application specification on a p
 resources together and isolate them from other applications or other installation of the same Compose specified application with distinct parameters. A Compose implementation creating resources on a platform MUST prefix resource names by project and
 set the label `com.docker.compose.project`.
 
-Project name can be set explicitely by top-level `name` attribute. Compose implementation MUST offer a way for user to set a custom project name and override this name, so that the same `compose.yaml` file can be deployed twice on the same infrastructure, without changes, by just passing a distinct name.
+Project name can be set explicitly by top-level `name` attribute. Compose implementation MUST offer a way for user to set a custom project name and override this name, so that the same `compose.yaml` file can be deployed twice on the same infrastructure, without changes, by just passing a distinct name.
 
 ### Illustrative example