Fix typos in psconvert in the file figure.py (GenericMappingTools#2048)

Author: yvonnefroehlich

pygmt/figure.py

@@ -145,7 +145,7 @@ def psconvert(self, icc_gray=False, **kwargs):
         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 @@ def psconvert(self, icc_gray=False, **kwargs):
             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 @@ def psconvert(self, icc_gray=False, **kwargs):
             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 @@ def psconvert(self, icc_gray=False, **kwargs):
             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.