diff --git a/lucene/facet/src/java/org/apache/lucene/facet/search/sampling/SamplingParams.java b/lucene/facet/src/java/org/apache/lucene/facet/search/sampling/SamplingParams.java
index 3687e0b699b..fc509ca11ec 100644
--- a/lucene/facet/src/java/org/apache/lucene/facet/search/sampling/SamplingParams.java
+++ b/lucene/facet/src/java/org/apache/lucene/facet/search/sampling/SamplingParams.java
@@ -125,7 +125,7 @@ public class SamplingParams {
    * Set a sampling-threshold
    * @see #getSamplingThreshold()
    */
-  public void setSampingThreshold(int samplingThreshold) {
+  public void setSamplingThreshold(int samplingThreshold) {
     this.samplingThreshold = samplingThreshold;
   }
 
diff --git a/lucene/facet/src/test/org/apache/lucene/facet/search/sampling/BaseSampleTestTopK.java b/lucene/facet/src/test/org/apache/lucene/facet/search/sampling/BaseSampleTestTopK.java
index 4382029bbbc..008e8ab75cb 100644
--- a/lucene/facet/src/test/org/apache/lucene/facet/search/sampling/BaseSampleTestTopK.java
+++ b/lucene/facet/src/test/org/apache/lucene/facet/search/sampling/BaseSampleTestTopK.java
@@ -145,7 +145,7 @@ public abstract class BaseSampleTestTopK extends BaseTestTopK {
     samplingParams.setMaxSampleSize((int) (10000 * retryFactor));
     samplingParams.setOversampleFactor(5.0 * retryFactor);
 
-    samplingParams.setSampingThreshold(11000); //force sampling 
+    samplingParams.setSamplingThreshold(11000); //force sampling 
     Sampler sampler = useRandomSampler ? 
         new RandomSampler(samplingParams, new Random(random().nextLong())) :
           new RepeatableSampler(samplingParams);
diff --git a/lucene/facet/src/test/org/apache/lucene/facet/search/sampling/OversampleWithDepthTest.java b/lucene/facet/src/test/org/apache/lucene/facet/search/sampling/OversampleWithDepthTest.java
index 15ea4842ea9..e82e46769ee 100644
--- a/lucene/facet/src/test/org/apache/lucene/facet/search/sampling/OversampleWithDepthTest.java
+++ b/lucene/facet/src/test/org/apache/lucene/facet/search/sampling/OversampleWithDepthTest.java
@@ -77,7 +77,7 @@ public class OversampleWithDepthTest extends LuceneTestCase {
     params.setMinSampleSize(2);
     params.setMaxSampleSize(50);
     params.setOversampleFactor(5);
-    params.setSampingThreshold(60);
+    params.setSamplingThreshold(60);
     params.setSampleRatio(0.1);
     
     FacetResult res = searchWithFacets(r, tr, fsp, params);