pbm*: add Korean translation (#14553)

pages/common/pbmtextps.md

@@ -10,11 +10,11 @@
 
 - Specify the font and font size:
 
-`pbmtextps -font {{Times-Roman}} -fontsize {{30}}  "{{Hello World!}}" > {{path/to/output.pbm}}`
+`pbmtextps -font {{Times-Roman}} -fontsize {{30}} "{{Hello World!}}" > {{path/to/output.pbm}}`
 
 - Specify the desired left and top margins:
 
-`pbmtextps -leftmargin {{70}} -topmargin {{162}}  "{{Hello World!}}" > {{path/to/output.pbm}}`
+`pbmtextps -leftmargin {{70}} -topmargin {{162}} "{{Hello World!}}" > {{path/to/output.pbm}}`
 
 - Do not output the rendered text as a PBM image, but a PostScript program that would create this image: