[gnome-user-docs] Fix typo: touchscreen -> keyboard

[Petr Kovář <pmkovar src gnome org>]

commit 9c6c695cb1728a90b3f053b562d961438ded5133
Author: Yuri Chornoivan <yurchor ukr net>
Date:   Mon Mar 22 11:47:02 2021 +0000

    Fix typo: touchscreen -> keyboard

 gnome-help/C/keyboard-osk.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnome-help/C/keyboard-osk.page b/gnome-help/C/keyboard-osk.page
index c0913482..b0feb6fb 100644
--- a/gnome-help/C/keyboard-osk.page
+++ b/gnome-help/C/keyboard-osk.page
@@ -74,7 +74,7 @@
   <gui style="button"><media its:translate="no" type="image" src="figures/go-down-symbolic.svg" width="16" 
height="16"><span its:translate="yes">down</span></media></gui>
   button to hide the keyboard temporarily. The keyboard will show again
   automatically when you next press on something where you can use it.
-  On a touchscreen, you can also pull up the touchscreen by
+  On a touchscreen, you can also pull up the keyboard by
   <link xref="touchscreen-gestures">dragging up from the bottom edge</link>.</p>
   <p>Press the
   <gui style="button"><media its:translate="no" type="image" src="figures/emoji-flags-symbolic.svg" 
width="16" height="16"><span its:translate="yes">flag</span></media></gui>