[evolution] M!74 - Fix a typo in a translated string

[Milan Crha <mcrha src gnome org>]

commit 56e336d8b1c2c0d9560b964622eb7cdb5632a3ab
Author: Yuri Chornoivan <yurchor ukr net>
Date:   Wed Jan 6 13:52:06 2021 +0000

    M!74 - Fix a typo in a translated string
    
    Closes https://gitlab.gnome.org/GNOME/evolution/-/merge_requests/74

 data/org.gnome.evolution.mail.gschema.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/org.gnome.evolution.mail.gschema.xml.in b/data/org.gnome.evolution.mail.gschema.xml.in
index 0a21853ae2..8dfaa9e109 100644
--- a/data/org.gnome.evolution.mail.gschema.xml.in
+++ b/data/org.gnome.evolution.mail.gschema.xml.in
@@ -849,7 +849,7 @@
     </key>
     <key name="copy-move-to-folder-preserve-expand" type="b">
       <default>false</default>
-      <_summary>Whether to preserver expand state of the folders when calling Copy/Move to Folder.</_summary>
+      <_summary>Whether to preserve expand state of the folders when calling Copy/Move to Folder.</_summary>
       <_description>If enabled, the Copy/Move to Folder dialog will preserve the expand state of the folders 
in the dialog, otherwise all the folders will be expanded.</_description>
     </key>