Update src/Utilities/penalty_relaxation.jl

Co-authored-by: Benoît Legat <[email protected]>

Author: odow

src/Utilities/penalty_relaxation.jl

@@ -188,7 +188,7 @@ cannot be modified in-place.
 
 To modify variable bounds, rewrite them as linear constraints.
 
-If a constraint type can not be modified, a warning is logged and the
+If a constraint cannot be modified, a warning is logged and the
 constraint is skipped. The warning can be disabled by setting `warn = false`.
 
 ## Example