diff --git a/src/strings.c b/src/strings.c
index 18b2cef..6abf89a 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -916,7 +916,7 @@
 	    {
 		clear_tv(&newtv);
 		clear_tv(&tv);
-		emsg(_(e_stringreq));
+		emsg(_(e_string_required));
 		break;
 	    }
 	    else
@@ -956,7 +956,7 @@
     {
 	if (*p == NUL)
 	{
-	    semsg(_(e_reduceempty), "String");
+	    semsg(_(e_reduce_of_an_empty_str_with_no_initial_value), "String");
 	    return;
 	}
 	if (copy_first_char_to_tv(p, rettv) == FAIL)
diff --git a/src/version.c b/src/version.c
index 337bcd5..5f9e639 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3968,
+/**/
     3967,
 /**/
     3966,
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 2b14089..225f582 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -1109,7 +1109,7 @@
 	*dest = dest_option;
 	if (cmdidx == CMD_final || cmdidx == CMD_const)
 	{
-	    emsg(_(e_const_option));
+	    emsg(_(e_cannot_lock_an_option));
 	    return FAIL;
 	}
 	p = name;