Fix typos

Change-Id: I8c4a063b7a60841db384cd6dfc11f830d371fd00
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/210153
Tested-by: Julien Nabet <serval2412@yahoo.fr>
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

cli_ure/source/uno_bridge/cli_bridge.h

@@ -51,7 +51,7 @@ static Cli_environment ^ g_cli_env = nullptr;
 };
 
 
-/** An instance of Bridge represents exactly one mapping therefore either
+/** An instance of Bridge represents exactly one mapping, therefore either
     m_cli2uno or m_uno2cli is valid.
 */
 struct Bridge