diff --git a/documentation/help.md b/documentation/help.md
index 0878c2ac44..fcb80d963a 100644
--- a/documentation/help.md
+++ b/documentation/help.md
@@ -415,7 +415,7 @@ This tool flips the objects horizontally or vertically.
 
 To draw/edit reactions you can:
 
-- draw reagents and products as described above;
+- draw reagents and products as described above
 - use options of the _Reaction Arrow Tool_ <img src = images/34_reacarrow_icon.png width = "42" /> to draw an
   arrow. Select the arrow needed from the list <img src = images/35_reacarrows_menu.png height = "42" />
 - draw pluses in the reaction equation using the _Reaction Plus Tool_ <img src = images/38_reactplus_icon.png width = "42" />
@@ -429,6 +429,16 @@ To draw/edit reactions you can:
 
 3 – Reaction Unmapping Tool
 
+# Drawing pathway reactions
+
+To draw pathway reactions you can:
+* draw reagents and products as described above
+* use <img src = images/70_add_multitailed-arrow.png width = "42" />  _Multi-Tailed Arrow Tool_ option from _Reaction Arrow Tool_
+* click anywhere on the canvas to add new multi-tailed arrow
+* adjust the length of the head or tail by grabbing its end and moving the cursor left and right
+* reposition the head or tail vertically by grabbing its end and moving the cursos up and down
+
+
 # Drawing graphical objects
 
 To draw graphical objects click the arrow on the _Shape Ellipse_ tool <img src = images/39_objects_icon.png width = "42" /> in the Tools palette
diff --git a/documentation/images/35_reacarrows_menu.png b/documentation/images/35_reacarrows_menu.png
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