diff --git a/lv_objx/lv_gauge.c b/lv_objx/lv_gauge.c
index 66ee2c78e7..a3ef56ddfe 100644
--- a/lv_objx/lv_gauge.c
+++ b/lv_objx/lv_gauge.c
@@ -186,11 +186,14 @@ void lv_gauge_set_value(lv_obj_t * gauge, uint8_t needle_id, int16_t value)
  * Set the scale settings of a gauge
  * @param gauge pointer to a gauge object
  * @param angle angle of the scale (0..360)
- * @param line_cnt count of scale lines
- * @param label_cnt count of scale labels
+ * @param line_cnt count of scale lines.
+ * The get a given "subdivision" lines between label, `line_cnt` = (sub_div + 1) * (label_cnt - 1) + 1
+ * @param label_cnt count of scale labels.
  */
 void lv_gauge_set_scale(lv_obj_t * gauge, uint16_t angle, uint8_t line_cnt, uint8_t label_cnt)
 {
+    /*TODO v6.0: change `line_cnt` to `subdiv_cnt`*/
+
     lv_lmeter_set_scale(gauge, angle, line_cnt);
 
     lv_gauge_ext_t * ext = lv_obj_get_ext_attr(gauge);
diff --git a/lv_objx/lv_gauge.h b/lv_objx/lv_gauge.h
index 4542c4c919..beef9dc554 100644
--- a/lv_objx/lv_gauge.h
+++ b/lv_objx/lv_gauge.h
@@ -107,8 +107,9 @@ static inline void lv_gauge_set_critical_value(lv_obj_t * gauge, int16_t value)
  * Set the scale settings of a gauge
  * @param gauge pointer to a gauge object
  * @param angle angle of the scale (0..360)
- * @param line_cnt count of scale lines
- * @param label_cnt count of scale labels
+ * @param line_cnt count of scale lines.
+ * The get a given "subdivision" lines between label, `line_cnt` = (sub_div + 1) * (label_cnt - 1) + 1
+ * @param label_cnt count of scale labels.
  */
 void lv_gauge_set_scale(lv_obj_t * gauge, uint16_t angle, uint8_t line_cnt, uint8_t label_cnt);
 
diff --git a/lv_objx/lv_lmeter.c b/lv_objx/lv_lmeter.c
index 455d4e6b2c..915165dafc 100644
--- a/lv_objx/lv_lmeter.c
+++ b/lv_objx/lv_lmeter.c
@@ -276,7 +276,7 @@ static bool lv_lmeter_design(lv_obj_t * lmeter, const lv_area_t * mask, lv_desig
 
         style_tmp.line.color = style->body.main_color;
 
-        /*Calculate every coordinate in x32 size to make rounding later*/
+        /*Calculate every coordinate in a bigger size to make rounding later*/
         r_out = r_out << LV_LMETER_LINE_UPSCALE;
         r_in = r_in << LV_LMETER_LINE_UPSCALE;
 
@@ -363,12 +363,10 @@ static lv_res_t lv_lmeter_signal(lv_obj_t * lmeter, lv_signal_t sign, void * par
 static lv_coord_t lv_lmeter_coord_round(int32_t x)
 {
 #if LV_LMETER_LINE_UPSCALE > 0
-    bool was_negative;
+    bool was_negative = false;
     if(x < 0) {
         was_negative = true;
         x = -x;
-    } else {
-        was_negative = false;
     }
 
     x = (x >> LV_LMETER_LINE_UPSCALE) + ((x & LV_LMETER_LINE_UPSCALE_MASK) >> (LV_LMETER_LINE_UPSCALE - 1));