diff --git a/llvm/docs/ProgrammersManual.rst b/llvm/docs/ProgrammersManual.rst
index d115a9cf6de8..501b5c00d699 100644
--- a/llvm/docs/ProgrammersManual.rst
+++ b/llvm/docs/ProgrammersManual.rst
@@ -2105,7 +2105,7 @@ is stored in the same allocation as the Value of a pair).
 StringMap also provides query methods that take byte ranges, so it only ever
 copies a string if a value is inserted into the table.
 
-StringMap iteratation order, however, is not guaranteed to be deterministic, so
+StringMap iteration order, however, is not guaranteed to be deterministic, so
 any uses which require that should instead use a std::map.
 
 .. _dss_indexmap: