diff --git a/pygmt/src/meca.py b/pygmt/src/meca.py
index f48ef0ba188..0dd0d5e4dad 100644
--- a/pygmt/src/meca.py
+++ b/pygmt/src/meca.py
@@ -214,10 +214,13 @@ def meca(
         is plotted at the initial location and a line connects the beachball
         to the circle. Use **+s**\ *size* to set the diameter of the circle
         [Default is no circle]. Use **+p**\ *pen* to set the line pen
-        attributes [Default is ``"0.25p"``].
+        attributes [Default is ``"0.25p"``]. The fill of the circle is set
+        via ``compressionfill`` or ``cmap``, i.e., corresponds to the fill
+        of the compressive quadrants.
     compressionfill : str
         Set color or pattern for filling compressive quadrants
-        [Default is ``"black"``].
+        [Default is ``"black"``]. This setting also applies to the fill of
+        the circle defined via ``offset``.
     extensionfill : str
         Set color or pattern for filling extensive quadrants
         [Default is ``"white"``].
@@ -229,7 +232,8 @@ def meca(
         *color1,color2,color3*) to build a linear continuous CPT from those
         colors automatically. The color of the compressive quadrants is
         determined by the z-value (i.e., event depth or the third column for
-        an input file).
+        an input file). This setting also applies to the fill of the circle
+        defined via ``offset``.
     no_clip : bool
         Do **not** skip symbols that fall outside the frame boundaries
         [Default is ``False``, i.e., plot symbols inside the frame