STYLE: snappyHexMeshDict: updated comment

applications/utilities/mesh/generation/snappyHexMesh/snappyHexMeshDict

@@ -270,7 +270,7 @@ addLayersControls
     //- If points get not extruded do nGrow layers of connected faces that are
     //  also not grown. This helps convergence of the layer addition process
     //  close to features.
-    // Note: changed(corrected) w.r.t 16x! (didn't do anything in 16x)
+    // Note: changed(corrected) w.r.t 17x! (didn't do anything in 17x)
     nGrow 0;
 
 
@@ -301,7 +301,7 @@ addLayersControls
     maxThicknessToMedialRatio 0.3;
 
     // Angle used to pick up medial axis points
-    // Note: changed(corrected) w.r.t 16x! 90 degrees corresponds to 130 in 16x.
+    // Note: changed(corrected) w.r.t 17x! 90 degrees corresponds to 130 in 17x.
     minMedianAxisAngle 90;
 
     // Create buffer region for new layer terminations