diff --git a/src/chip/chip-specification.lisp b/src/chip/chip-specification.lisp
index 7821d22b..fb10621b 100644
--- a/src/chip/chip-specification.lisp
+++ b/src/chip/chip-specification.lisp
@@ -817,8 +817,8 @@ Compilers are listed in descending precedence.")
 
 (defun get-instruction-fidelity (instr chip-spec)
   "Return the double-float fidelity value associated with object INSTR
-on CHIP-SPEC. If no specializtion on INSTR is available, the
-default is perfect fidelity."
+on CHIP-SPEC. If no case for on INSTR is matched, the default is
+perfect fidelity (i.e. 1.0)."
   (declare (values double-float))
   (typecase instr
     (measurement