[COMMIT] Fix documentation of styles

[Eli Zaretskii <eliz at gnu dot org>]

I've committed the below as obvious, master and the 8.3 branch:

commit e3624a40aeb31065c968d0d3a1d55fdf8e8a4e3c
Author:     Eli Zaretskii <eliz@gnu.org>
AuthorDate: Sat Mar 2 21:42:54 2019 +0200
Commit:     Eli Zaretskii <eliz@gnu.org>
CommitDate: Sat Mar 2 21:42:54 2019 +0200

    Fix documentation of styles.
    
    gdb/doc/ChangeLog:
    2019-03-02  Eli Zaretskii  <eliz@gnu.org>
    
            * gdb.texinfo (Output Styling): Fix typos.  Document the default
            foreground colors of the available styles.

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index a5d1c21..6e95f93 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2019-03-02  Eli Zaretskii  <eliz@gnu.org>
+
+	* gdb.texinfo (Output Styling): Fix typos.  Document the default
+	foreground colors of the available styles.
+
 2019-02-27  Kevin Buettner  <kevinb@redhat.com>
 
 	* gdb.texinfo (Configure Options): Document minimum python
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 8b61cc1..f2028f8 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -24539,13 +24539,13 @@
 @item set style filename background @var{color}
 Set the background to @var{color}.  Valid colors are @samp{none}
 (meaning the terminal's default color), @samp{black}, @samp{red},
-@samp{green}, @samp{yellow}, @samp{vlue}, @samp{magenta}, @samp{cyan},
+@samp{green}, @samp{yellow}, @samp{blue}, @samp{magenta}, @samp{cyan},
 and@samp{white}.
 
 @item set style filename foreground @var{color}
 Set the foreground to @var{color}.  Valid colors are @samp{none}
 (meaning the terminal's default color), @samp{black}, @samp{red},
-@samp{green}, @samp{yellow}, @samp{vlue}, @samp{magenta}, @samp{cyan},
+@samp{green}, @samp{yellow}, @samp{blue}, @samp{magenta}, @samp{cyan},
 and@samp{white}.
 
 @item set style filename intensity @var{value}
@@ -24556,19 +24556,23 @@
 The style-able objects are:
 @table @code
 @item filename
-Control the styling of file names.
+Control the styling of file names.  By default, this style's
+foreground color is green.
 
 @item function
 Control the styling of function names.  These are managed with the
-@code{set style function} family of commands.
+@code{set style function} family of commands.  By default, this
+style's foreground color is yellow.
 
 @item variable
 Control the styling of variable names.  These are managed with the
-@code{set style variable} family of commands.
+@code{set style variable} family of commands.  By default, this style's
+foreground color is cyan.
 
 @item address
 Control the styling of addresses.  These are managed with the
-@code{set style address} family of commands.
+@code{set style address} family of commands.  By default, this style's
+foreground color is blue.
 @end table
 
 @node Numbers