diff --git a/include/caffe/solver.hpp b/include/caffe/solver.hpp
index 2dc6c3e4e6a..aba3e036004 100644
--- a/include/caffe/solver.hpp
+++ b/include/caffe/solver.hpp
@@ -18,10 +18,10 @@ namespace caffe {
   */
   namespace SolverAction {
     enum Enum {
-      NONE = 0, // Take no special action.
-      STOP = 1, // Stop training. snapshot_after_train controls whether a
-                // snapshot is created.
-      SNAPSHOT = 2 // Take a snapshot, and keep training.
+      NONE = 0,  // Take no special action.
+      STOP = 1,  // Stop training. snapshot_after_train controls whether a
+                 // snapshot is created.
+      SNAPSHOT = 2  // Take a snapshot, and keep training.
     };
   }