diff --git a/docs/source/reference-core.rst b/docs/source/reference-core.rst
index 141e128026..f571d23294 100644
--- a/docs/source/reference-core.rst
+++ b/docs/source/reference-core.rst
@@ -693,7 +693,7 @@ Errors in multiple child tasks
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Normally, in Python, only one thing happens at a time, which means
-that only one thing can wrong at a time. Trio has no such
+that only one thing can go wrong at a time. Trio has no such
 limitation. Consider code like::
 
     async def broken1():