correct and reduce pear comment for clarity (note != not)

apache/apache.spec

@@ -99,8 +99,7 @@ Release:      20040420
 %option       with_mod_dosevasive       no
 
 #   package options (optional PHP4 specific settings; requires "with_mod_php")
-#   please not the lack of an PEAR option since PEAR is to be provided by
-#   the 'php' package
+#   please note the lack of an PEAR option since PEAR is provided by the 'php' package
 %option       with_mod_php_calendar     no
 %option       with_mod_php_mysql        no
 %option       with_mod_php_pgsql        no