diff --git a/src/lang/german.txt b/src/lang/german.txt
--- a/src/lang/german.txt
+++ b/src/lang/german.txt
@@ -2531,7 +2531,9 @@ STR_COMPANY_VIEW_COMPANY_VALUE          
 STR_COMPANY_VIEW_SHARES_OWNED_BY                                :{WHITE}({COMMA}% Eigentum von {COMPANY})
 
 STR_COMPANY_VIEW_BUILD_HQ_BUTTON                                :{BLACK}Firmensitz bauen
+STR_COMPANY_VIEW_BUILD_HQ_TOOLTIP                               :{BLACK}Firmensitz bauen
 STR_COMPANY_VIEW_VIEW_HQ_BUTTON                                 :{BLACK}Firmensitz
+STR_COMPANY_VIEW_VIEW_HQ_TOOLTIP                                :{BLACK}Firmensitz anzeigen
 STR_COMPANY_VIEW_RELOCATE_HQ                                    :{BLACK}verlegen
 STR_COMPANY_VIEW_RELOCATE_COMPANY_HEADQUARTERS                  :{BLACK}Errichte Firmensitz für 1% des Firmenwertes an anderer Stelle neu.