diff --git a/docs/building_from_sources.md b/docs/building_from_sources.md
index 45bdc71b6..3a71a2ea0 100644
--- a/docs/building_from_sources.md
+++ b/docs/building_from_sources.md
@@ -15,7 +15,7 @@ PYODIDE_PACKAGES="toolz,attrs" make
 ```
 
 Note that this environment variables must contain both the packages and their
-dependencies. The package names must much the folder names in `packages/`
+dependencies. The package names must match the folder names in `packages/`
 exactly; in particular they are case sensitive.
 
 To build a minimal version of pyodide, set `PYODIDE_PACKAGES="micropip"`. The