diff --git a/search/CheckTiming.cc b/search/CheckTiming.cc
index 84ca3feb..4ff5ee24 100644
--- a/search/CheckTiming.cc
+++ b/search/CheckTiming.cc
@@ -230,14 +230,14 @@ void
 CheckTiming::checkUnconstrainedEndpoints()
 {
   PinSet unconstrained_ends(network_);
-  checkUnconstraintedOutputs(unconstrained_ends);
+  checkUnconstrainedOutputs(unconstrained_ends);
   checkUnconstrainedSetups(unconstrained_ends);
   pushPinErrors("Warning: There %is %d unconstrained endpoint%s.",
 		unconstrained_ends);
 }
 
 void
-CheckTiming::checkUnconstraintedOutputs(PinSet &unconstrained_ends)
+CheckTiming::checkUnconstrainedOutputs(PinSet &unconstrained_ends)
 {
   Instance *top_inst = network_->topInstance();
   InstancePinIterator *pin_iter = network_->pinIterator(top_inst);
diff --git a/search/CheckTiming.hh b/search/CheckTiming.hh
index 205ad2da..1bbc6dd1 100644
--- a/search/CheckTiming.hh
+++ b/search/CheckTiming.hh
@@ -59,7 +59,7 @@ protected:
   void checkUnconstrainedEndpoints();
   bool hasClkedArrival(Vertex *vertex);
   void checkNoOutputDelay(PinSet &ends);
-  void checkUnconstraintedOutputs(PinSet &unconstrained_ends);
+  void checkUnconstrainedOutputs(PinSet &unconstrained_ends);
   void checkUnconstrainedSetups(PinSet &unconstrained_ends);
   void checkLoops();
   bool hasClkedDepature(Pin *pin);