docs: wording consistency

Author: hernancerm

doc/bareline.txt

@@ -349,7 +349,7 @@ are intended to be used in the statusline string.
 
                                                                         *BlIs()*
                              `BlIs`({length})
-Invisible space. Returns a {length} amount of Unicode Thin Space (U+2009)
+Invisible space. Return a {length} amount of Unicode Thin Space (U+2009)
 chars. This is useful to control empty space in the statusline, since ASCII
 whitespace is sometimes trimmed by Neovim, while this Unicode char is not.
 Parameters:

lua/bareline.lua

@@ -632,7 +632,7 @@ bareline.alt_statuslines.plugin = {
 
 --- #tag BlIs()
 ---                              `BlIs`({length})
---- Invisible space. Returns a {length} amount of Unicode Thin Space (U+2009)
+--- Invisible space. Return a {length} amount of Unicode Thin Space (U+2009)
 --- chars. This is useful to control empty space in the statusline, since ASCII
 --- whitespace is sometimes trimmed by Neovim, while this Unicode char is not.
 --- Parameters: