doc: improve knsec3hash description

diff --git a/doc/man_knsec3hash.rst b/doc/man_knsec3hash.rst
index b3367fe7a0793ba4b73313f12c9751a83211f137..1e96a0761116183d761827e963642f47939ae989 100644 (file)
--- a/doc/man_knsec3hash.rst
+++ b/doc/man_knsec3hash.rst
@@ -1,7 +1,7 @@
 .. highlight:: none
 
-``knsec3hash`` – NSEC hash computation utility
-==============================================
+``knsec3hash`` – NSEC3 hash computation utility
+===============================================
 
 Synopsis
 --------
@@ -15,7 +15,7 @@ Synopsis
 Description
 -----------
 
-This utility generates a NSEC3 hash for a given domain name and parameters of NSEC3 hash.
+This utility generates an NSEC3 hash for a given domain name and parameters of NSEC3 hash.
 
 Parameters
 ..........