diff --git a/topics/reference_guide/project_model/sdk.md b/topics/reference_guide/project_model/sdk.md
index 4092a7f09..56ad63a53 100644
--- a/topics/reference_guide/project_model/sdk.md
+++ b/topics/reference_guide/project_model/sdk.md
@@ -33,7 +33,7 @@ Sdk projectSdk = ProjectRootManager.getInstance(project).getProjectSdk();
 * To set the project-level SDK:
 
   ```java
-  ProjectRootManager.getInstance(project).setProjectSdk(jdk);
+  ProjectRootManager.getInstance(project).setProjectSdk(sdk);
   ```
 
 * To set the project-level SDK name: