Fix typos in  `psconvert` in the file `figure.py`
@@ -145,7 +145,7 @@ class Figure:
PDF, PNG, PPM, SVG, TIFF) using GhostScript.
If no input files are given, will convert the current active figure
- (see :func:`pygmt.figure`). In this case, an output name must be given
+ (see :func:`pygmt.Figure`). In this case, an output name must be given
using parameter *prefix*.
Full option list at :gmt-docs:`psconvert.html`
@@ -167,7 +167,7 @@ class Figure:
Specify a single, custom option that will be passed on to
GhostScript as is.
dpi : int
- Set raster resolution in dpi. Default = 720 for PDF, 300 for
+ Set raster resolution in dpi. Default is 720 for PDF, 300 for
others.
prefix : str
Force the output file name. By default output names are constructed
@@ -176,7 +176,7 @@ class Figure:
but without extension. Extension is still determined automatically.
resize : str
[**+m**\ *margins*][**+s**\ [**m**]\ *width*\
- [/\ *height*]][**+S**\ *scale*] ].
+ [/\ *height*]][**+S**\ *scale*].
Adjust the BoundingBox and HiResBoundingBox by scaling and/or
adding margins. Append **+m** to specify extra margins to extend
the bounding box. Give either one (uniform), two (x and y) or four
@@ -198,9 +198,9 @@ class Figure:
towards black (100%) [no fading, 0]. Append **+g**\ *paint* to
paint the BoundingBox behind the illustration and append **+p**\
[*pen*] to draw the BoundingBox outline (append a pen or accept
- the default pen of 0.25p,black). Note: If both **+g** and **+f**
- are used then we use paint as the fade color instead of black.
- Append **+i** to enforce gray-shades by using ICC profiles.
+ the default pen of 0.25p,black). **Note**: If both **+g** and
+ **+f** are used then we use paint as the fade color instead of
+ black. Append **+i** to enforce gray-shades by using ICC profiles.
anti_aliasing : str
[**g**\|\ **p**\|\ **t**\][**1**\|\ **2**\|\ **4**].
Set the anti-aliasing options for **g**\ raphics or **t**\ ext.
