diff --git a/mps/manual/source/topic/root.rst b/mps/manual/source/topic/root.rst
index 1cfbc169a47..20b6d094bed 100644
--- a/mps/manual/source/topic/root.rst
+++ b/mps/manual/source/topic/root.rst
@@ -33,7 +33,7 @@ Registering roots
 -----------------
 
 You can register a root at any time by calling one of the
-``mps_root_create`` functions. Roots may not be regstered twice, and
+``mps_root_create`` functions. Roots may not be registered twice, and
 no two roots may overlap (that is, each reference is :term:`fixed` by
 at most one root). Roots may be: