diff --git a/src/outlier_detection.rs b/src/outlier_detection.rs
index 270e522f7..eff39d170 100644
--- a/src/outlier_detection.rs
+++ b/src/outlier_detection.rs
@@ -12,7 +12,7 @@ use statistical::median;
 /// of standard deviations.
 pub const OUTLIER_THRESHOLD: f64 = 1.4826 * 10.0;
 
-/// Compute modifized Z-scores for a given sample. A (unmodified) Z-score is defined by
+/// Compute modified Z-scores for a given sample. A (unmodified) Z-score is defined by
 /// `(x_i - x_mean)/x_stddev` whereas the modified Z-score is defined by `(x_i - x_median)/MAD`
 /// where MAD is the median absolute deviation.
 ///