diff --git a/frontend/docs/models-services.md b/frontend/docs/models-services.md
index 7cccd412f..d0ac9d53a 100644
--- a/frontend/docs/models-services.md
+++ b/frontend/docs/models-services.md
@@ -53,7 +53,7 @@ The `constructor` calls its parent constructor and provides the paths to make th
 The parent constructor will take these and save them in the service.
 All paths are optional. Calling a method which doesn't have a path defined will fail. 
 
-The placeholder values in the urls are replaced with the contens of variables with the same name in the 
+The placeholder values in the urls are replaced with the contents of variables with the same name in the
 corresponding model (the one you pass to the functions).
 
 #### Requests