diff --git a/src/interface.jl b/src/interface.jl
index 029095c..be88e67 100644
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -515,7 +515,7 @@ using Julia's expression interpolation mechanism.
 - A `Symbol` constructed from the string value of the input variable.
 
 # Notes
-- This function uses `:$variable` interpolation to capture the variable's
+- This function uses variable interpolation to capture the variable's
   value as a Symbol. It works with any variable type that can be converted
   to String.