Fix typos

Author: yvonnefroehlich

examples/gallery/basemaps/ternary.py

@@ -8,7 +8,7 @@
 at the positions listed in the first three columns of the sample dataset
 ``rock_compositions``, with default annotations and gridline spacings, using
 the specified labeling defined via ``alabel``, ``blabel``, and ``clabel``.
-Points are colored based on the values given in the fourth columns of the
+Points are colored based on the values given in the fourth column of the
 sample dataset via ``cmap=True``.
 """
 

examples/gallery/lines/vector_heads_tails.py

@@ -14,20 +14,19 @@
 arrow, and **I** for plain open tail. Further append **l** or **r** (e.g.
 ``"+bar"``) to only draw the left or right half-sides of the selected head/tail
 (default is both sides) or use **+l** or **+r** to apply simultaneously to both
-beginning and end. In this context left and right refer to the side of the
+beginning and end. In this context, left and right refer to the side of the
 vector line when viewed from the beginning point to the end point of a line
 segment. The angle of the vector head apex can be set using **+a**\ *angle*
 (default is 30). The shape of the vector head can be adjusted using
 **+h**\ *shape* (e.g. ``"+h0.5"``).
 
 For further modifiers see :gmt-docs:`plot.html#vector-attributes`.
 
-In the following we use the :meth:`pygmt.Figure.plot` method to plot vectors
+In the following, we use the :meth:`pygmt.Figure.plot` method to plot vectors
 with individual heads and tails. We must specify the modifiers (together with
 the vector type, here ``"v"`` for Cartesian vector, see also the
 :doc:`Vector types example </gallery/lines/vector_styles>`)
 by passing the corresponding shortcuts to the ``style`` parameter.
-
 """
 
 # %%

examples/gallery/symbols/custom_symbols.py

@@ -11,12 +11,12 @@
 For the remaining symbols see the GMT Technical Reference
 :gmt-docs:`reference/custom-symbols.html`.
 
-Beside these built-in custom symbols GMT allows users to define their own custom
+Besides these built-in custom symbols, GMT allows users to define their own custom
 symbols. For this, a specific macro language is used. A detailed introduction can
 be found at :gmt-docs:`reference/custom-symbols.html#the-macro-language`. After
 defining such a symbol it can be used in the same way as a built-in custom symbol.
 
-*Please note*: Custom symbols can not be used in auto-legends yet.
+*Please note*: Custom symbols cannot be used in auto-legends yet.
 """
 
 # %%