diff --git a/Tool-API.md b/Tool-API.md
index f3b47e8..f86cfc0 100644
--- a/Tool-API.md
+++ b/Tool-API.md
@@ -1,6 +1,6 @@
 The tool API provides a convenient interface to selected methods in the
-mmgen.tool module.  Type `pydoc3 mmgen.tool.tool_api` for available methods
-and call signatures.
+mmgen.tool module.  Type `pydoc3 mmgen.tool.api` for available methods and
+call signatures.
 
 ## Examples