diff --git a/topics/basics/ide_infrastructure.md b/topics/basics/ide_infrastructure.md
index 301546da7..2969ede2e 100644
--- a/topics/basics/ide_infrastructure.md
+++ b/topics/basics/ide_infrastructure.md
@@ -102,7 +102,7 @@ To show custom context web-based help for your plugin's functionality (e.g., for
 
 ## Running Tasks Once
 
-Use [`RunOnceUtil`](upsource:///platform/core-api/src/com/intellij/ide/util/RunOnceUtil.java) to run a task exactly once per project/application.
+Use [`RunOnceUtil`](upsource:///platform/ide-core/src/com/intellij/ide/util/RunOnceUtil.java) to run a task exactly once per project/application.
 
 ## Application Events
 
diff --git a/topics/reference_guide/custom_language_support/documentation.md b/topics/reference_guide/custom_language_support/documentation.md
index e35f7ed06..a6f9cb132 100644
--- a/topics/reference_guide/custom_language_support/documentation.md
+++ b/topics/reference_guide/custom_language_support/documentation.md
@@ -57,4 +57,4 @@ The [custom language tutorial](documentation_provider.md) contains a step-by-ste
 In addition, several implementations of other languages exist in the IntelliJ Platform code, for instance:
 
 * The [Properties Language plugin](upsource:///plugins/properties) has a small and easy-to-understand [`DocumentationProvider`](upsource:///plugins/properties/src/com/intellij/lang/properties/PropertiesDocumentationProvider.java) similar to the one shown in the custom language tutorial.
-* Usage examples for `DocumentationMarkup` can be found in [`ThemeJsonDocumentationProvider`](upsource:///plugins/devkit/devkit-core/src/themes/ThemeJsonDocumentationProvider.java).
+* Usage examples for `DocumentationMarkup` can be found in [`ThemeJsonDocumentationProvider`](upsource:///plugins/devkit/intellij.devkit.themes/src/ThemeJsonDocumentationProvider.java).