diff --git a/drape/drape_tests/drape_tests.pro b/drape/drape_tests/drape_tests.pro
index 6cbff61f60..aba0486301 100644
--- a/drape/drape_tests/drape_tests.pro
+++ b/drape/drape_tests/drape_tests.pro
@@ -39,9 +39,9 @@ SOURCES += \
     pointers_tests.cpp \
     font_texture_tests.cpp \
     bingind_info_tests.cpp \
-    stipple_pen_tests.cpp
+    stipple_pen_tests.cpp \
 
 HEADERS += \
     glmock_functions.hpp \
     enum_shaders.hpp \
-    memory_comparer.hpp
+    memory_comparer.hpp \
diff --git a/drape/stipple_pen_resource.cpp b/drape/stipple_pen_resource.cpp
index 138502896d..9405241d52 100644
--- a/drape/stipple_pen_resource.cpp
+++ b/drape/stipple_pen_resource.cpp
@@ -19,8 +19,7 @@ StipplePenPacker::StipplePenPacker(m2::PointU const & canvasSize)
 {
   // canvasSize.x - 1 = we reserve 1 pixel border on left
   // to reduce problems with bilinear filtration on GPU
-  // MAX_STIPPLE_PEN_LENGTH + 1 = we reserve 1 pixel empty space after pen resource
-  // pen in last column reserve 1 pixel on right size of canvas
+  // we devide on MAX_STIPPLE_PEN_LENGTH because this length considers 1 pixel border on right side
   uint32_t columnCount = floor((canvasSize.x - 1) / MAX_STIPPLE_PEN_LENGTH);
   m_columns.resize(columnCount, 0);
 }