--- Libc/Libc-763.13/string/FreeBSD/index.3
+++ Libc/Libc-1158.1.2/string/FreeBSD/index.3
@@ -54,8 +54,8 @@
 .Vt char )
 in the string pointed to by
 .Fa s .
-The terminating null character is considered part of the string;
-therefore if
+The terminating null character is considered to be part of the string;
+therefore, if
 .Fa c
 is
 .Ql \e0 ,
@@ -66,7 +66,7 @@
 .Fn rindex
 function is identical to
 .Fn index ,
-except it locates the last occurrence of
+except that it locates the last occurrence of
 .Fa c .
 .Sh RETURN VALUES
 The functions