diff --git a/map/chart_generator.cpp b/map/chart_generator.cpp
index 30442a22e8..0804840e09 100644
--- a/map/chart_generator.cpp
+++ b/map/chart_generator.cpp
@@ -169,7 +169,8 @@ bool GenerateYAxisChartData(uint32_t height, double minMetersPerPxl,
   double const freeHeightSpacePxl = drawHeightPxl - deltaAltM / metersPerPxl;
   if (freeHeightSpacePxl < 0 || freeHeightSpacePxl > drawHeightPxl)
   {
-    LOG(LERROR, ("freeHeightSpacePxl is out of the range [0, drawHeightPxl]."));
+    LOG(LERROR, ("Number of pixels free of chart points (", freeHeightSpacePxl,
+                 ") is below zero or greater number of pixels for the chart (", drawHeightPxl, ")."));
     return false;
   }
 
diff --git a/map/map_tests/chart_generator_tests.cpp b/map/map_tests/chart_generator_tests.cpp
index 4fa1bc2e7c..4d43d59279 100644
--- a/map/map_tests/chart_generator_tests.cpp
+++ b/map/map_tests/chart_generator_tests.cpp
@@ -104,8 +104,8 @@ UNIT_TEST(GenerateYAxisChartData_SmokeTest)
   vector<double> yAxisDataPxl;
 
   TEST(maps::GenerateYAxisChartData(30 /* height */, 1.0 /* minMetersPerPxl */, altitudeDataM, yAxisDataPxl), ());
-  vector<double> expecttedYAxisDataPxl = {15.0, 15.0};
-  TEST(AlmostEqualAbs(yAxisDataPxl, expecttedYAxisDataPxl), ());
+  vector<double> expectedYAxisDataPxl = {15.0, 15.0};
+  TEST(AlmostEqualAbs(yAxisDataPxl, expectedYAxisDataPxl), ());
 }
 
 UNIT_TEST(GenerateYAxisChartData_EmptyAltitudeDataTest)
@@ -123,8 +123,8 @@ UNIT_TEST(GenerateYAxisChartData_Test)
   vector<double> yAxisDataPxl;
 
   TEST(maps::GenerateYAxisChartData(100 /* height */, 1.0 /* minMetersPerPxl */, altitudeDataM, yAxisDataPxl), ());
-  vector<double> expecttedYAxisDataPxl = {50.0, 48.0, 50.0, 52.0, 49.0};
-  TEST(AlmostEqualAbs(yAxisDataPxl, expecttedYAxisDataPxl), ());
+  vector<double> expectedYAxisDataPxl = {50.0, 48.0, 50.0, 52.0, 49.0};
+  TEST(AlmostEqualAbs(yAxisDataPxl, expectedYAxisDataPxl), ());
 }
 
 UNIT_TEST(GenerateChartByPoints_NoGeometryTest)