Fix message for Crostini container configuration error

Fixes message for Crostini container configuration error during Crostini
installation.

Test: none
Bug: b:148645840
Change-Id: I5cd85b3f42e9fdda48e26d4aa7bd8a8a9c2472c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2056910Reviewed-by: Alex Oldemeier <aoldemeier@chromium.org>
Commit-Queue: Olya Kalitova <okalitova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#741565}

chrome/app/chromeos_strings.grdp

@@ -3638,7 +3638,7 @@
     The Linux container didn't start. Please try again.
   </message>
   <message name="IDS_CROSTINI_INSTALLER_CONFIGURE_CONTAINER_ERROR" desc="Text shown in the Crostini installer dialog when the container fails to be configured inside the VM">
-    The was an error while configuring Linux. Contact your administrator.
+    There was an error while configuring Linux. Contact your administrator.
   </message>
   <message name="IDS_CROSTINI_INSTALLER_SETUP_CONTAINER_ERROR" desc="Text shown in the Crostini installer dialog when the container fails to be set up inside the VM">
     The Linux container setup did not complete. Please try again.