diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs
index b8089b2499b6..5f5e1fcc4c94 100644
--- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs
+++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs
@@ -7,7 +7,7 @@
 //! inference graph arose so that we can explain to the user what gave
 //! rise to a particular error.
 //!
-//! The basis of the system are the "origin" types. An "origin" is the
+//! The bases of the system are the "origin" types. An "origin" is the
 //! reason that a constraint or inference variable arose. There are
 //! different "origin" enums for different kinds of constraints/variables
 //! (e.g., `TypeOrigin`, `RegionVariableOrigin`). An origin always has