diff --git a/src/window.cpp b/src/window.cpp
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -764,7 +764,7 @@ restart_search:
 		}
 	}
 
-	/* Also delete the company specific windows, that don't have a company-colour */
+	/* Also delete the company specific windows that don't have a company-colour. */
 	DeleteWindowById(WC_BUY_COMPANY, id);
 }