doc: yet another typo

doc/man/knotc.8in

@@ -143,7 +143,7 @@ Empty \fIzone\fP parameter means all zones.
 .sp
 Type \fIitem\fP parameter in the form of \fIsection\fP[\fB[\fP\fIid\fP\fB]\fP][\fB\&.\fP\fIname\fP].
 .sp
-(*) indicates a local operation which requires a configuration available.
+(*) indicates a local operation which requires a configuration.
 .SH EXAMPLES
 .SS Reload the whole server configuration
 .INDENT 0.0

doc/man_knotc.rst

@@ -123,7 +123,7 @@ Empty *zone* parameter means all zones.
 
 Type *item* parameter in the form of *section*\ [**[**\ *id*\ **]**\ ][**.**\ *name*].
 
-(*) indicates a local operation which requires a configuration available.
+(*) indicates a local operation which requires a configuration.
 
 Examples
 --------

src/utils/knotc/main.c

@@ -54,7 +54,7 @@ static void print_help(void)
 	       "Note:\n"
 	       " Empty <zone> parameter means all zones.\n"
 	       " Type <item> parameter in the form of <section>[<identifier>].<name>.\n"
-	       " (*) indicates a local operation which requires a configuration available.\n");
+	       " (*) indicates a local operation which requires a configuration.\n");
 }
 
 static int set_config(const cmd_desc_t *desc, const char *confdb,