diff --git a/src/main/java/org/apache/commons/math3/fitting/GaussianCurveFitter.java b/src/main/java/org/apache/commons/math3/fitting/GaussianCurveFitter.java
index 49e22426f..0281ae9df 100644
--- a/src/main/java/org/apache/commons/math3/fitting/GaussianCurveFitter.java
+++ b/src/main/java/org/apache/commons/math3/fitting/GaussianCurveFitter.java
@@ -131,7 +131,7 @@ public class GaussianCurveFitter extends AbstractCurveFitter {
     }
 
     /**
-     * Configure the sart point (initial guess).
+     * Configure the start point (initial guess).
      * @param newStart new start point (initial guess)
      * @return a new instance.
      */
diff --git a/src/main/java/org/apache/commons/math3/fitting/HarmonicCurveFitter.java b/src/main/java/org/apache/commons/math3/fitting/HarmonicCurveFitter.java
index 63ccf1f81..8698f80f7 100644
--- a/src/main/java/org/apache/commons/math3/fitting/HarmonicCurveFitter.java
+++ b/src/main/java/org/apache/commons/math3/fitting/HarmonicCurveFitter.java
@@ -84,7 +84,7 @@ public class HarmonicCurveFitter extends AbstractCurveFitter {
     }
 
     /**
-     * Configure the sart point (initial guess).
+     * Configure the start point (initial guess).
      * @param newStart new start point (initial guess)
      * @return a new instance.
      */
diff --git a/src/main/java/org/apache/commons/math3/fitting/PolynomialCurveFitter.java b/src/main/java/org/apache/commons/math3/fitting/PolynomialCurveFitter.java
index 31354f31a..776536823 100644
--- a/src/main/java/org/apache/commons/math3/fitting/PolynomialCurveFitter.java
+++ b/src/main/java/org/apache/commons/math3/fitting/PolynomialCurveFitter.java
@@ -75,7 +75,7 @@ public class PolynomialCurveFitter extends AbstractCurveFitter {
     }
 
     /**
-     * Configure the sart point (initial guess).
+     * Configure the start point (initial guess).
      * @param newStart new start point (initial guess)
      * @return a new instance.
      */