diff --git a/src/google/protobuf/descriptor.proto b/src/google/protobuf/descriptor.proto
index 156e410ae1..f307be7e0a 100644
--- a/src/google/protobuf/descriptor.proto
+++ b/src/google/protobuf/descriptor.proto
@@ -803,7 +803,7 @@ message SourceCodeInfo {
     // location.
     //
     // Each element is a field number or an index.  They form a path from
-    // the root FileDescriptorProto to the place where the definition.  For
+    // the root FileDescriptorProto to the place where the definition occurs.  For
     // example, this path:
     //   [ 4, 3, 2, 7, 1 ]
     // refers to: