diff --git a/tensorflow/core/graph/testlib.h b/tensorflow/core/graph/testlib.h
index 6088457916f..19dffb0de2f 100644
--- a/tensorflow/core/graph/testlib.h
+++ b/tensorflow/core/graph/testlib.h
@@ -126,7 +126,7 @@ Node* RandomPoisson(Graph* g, Node* shape, Node* lam);
 Node* Roll(Graph* g, Node* input, Node* shift, Node* axis);
 
 // Generates random parameters from the truncated standard normal distribution
-// of the nput shape
+// of the input shape
 Node* TruncatedNormal(Graph* g, Node* input, DataType dtype);
 
 // Adds an error node in "g". The node's computation always