diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -2579,7 +2579,7 @@ static void CanCargoServiceIndustry(Carg
 /**
  * Compute who can service the industry.
  *
- * Here, 'can service' means that he/she has trains and stations close enough
+ * Here, 'can service' means that they have trains and stations close enough
  * to the industry with the right cargo type and the right orders (ie has the
  * technical means).
  *