diff --git a/src/error.rs b/src/error.rs
index b21a228..57803d2 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -33,7 +33,7 @@ pub enum ValidationError {
 
 #[derive(Error, Debug)]
 pub enum InterpolationError {
-    #[error("sttempted to interpolate at point beyond grid data: {0}")]
+    #[error("attempted to interpolate at point beyond grid data: {0}")]
     ExtrapolationError(String),
     #[error("surrounding values cannot be NaN: {0}")]
     NaNError(String),