diff --git a/Fltk/fileDialogs.cpp b/Fltk/fileDialogs.cpp
index 81065bff61ad200ce940e29e5d46dc4bde830dae..3bf30020ffc2602f7a2c569bdbd9cf126a90c331 100644
--- a/Fltk/fileDialogs.cpp
+++ b/Fltk/fileDialogs.cpp
@@ -399,7 +399,7 @@ int mpegFileDialog(const char *name)
     dialog->v[0]->align(FL_ALIGN_RIGHT);
 
     dialog->v[1] = new Fl_Value_Input
-      (WB, y, BB / 2, BH, "Increment step"); y += BH;
+      (WB, y, BB / 2, BH, "Steps between frames"); y += BH;
     dialog->v[1]->minimum(1);
     dialog->v[1]->maximum(100);
     dialog->v[1]->step(1);
diff --git a/Fltk/optionWindow.cpp b/Fltk/optionWindow.cpp
index d58e0dc82d2741f260decfec03b2b2ca99df5bfc..9cad0ecc97024acdf5e351183ce884ca6a4d5514 100644
--- a/Fltk/optionWindow.cpp
+++ b/Fltk/optionWindow.cpp
@@ -2680,7 +2680,7 @@ optionWindow::optionWindow(int deltaFontSize)
         solver.input[0]->callback(solver_options_ok_cb);
 
         solver.value[0] = new Fl_Value_Input
-          (L + 2 * WB, 2 * WB + 2 * BH, IW, BH, "Timeout (s)");
+          (L + 2 * WB, 2 * WB + 2 * BH, IW, BH, "Timeout (in sec.)");
         solver.value[0]->align(FL_ALIGN_RIGHT);
         solver.value[0]->callback(solver_options_ok_cb);
 
@@ -2719,7 +2719,7 @@ optionWindow::optionWindow(int deltaFontSize)
       post.choice[0]->callback(post_options_ok_cb);
 
       post.value[0] = new Fl_Value_Input
-        (L + 2 * WB, 2 * WB + 2 * BH, IW, BH, "Frame duration (in seconds)");
+        (L + 2 * WB, 2 * WB + 2 * BH, IW, BH, "Frame duration (in sec.)");
       post.value[0]->minimum(0);
       post.value[0]->maximum(10);
       post.value[0]->step(0.01);