diff --git a/README.md b/README.md
index 2de2fa9..b53034e 100644
--- a/README.md
+++ b/README.md
@@ -37,11 +37,11 @@ Each file will contains several documents in this [document format](http://media
                             [-l] [-s] [--lists] [-ns ns1,ns2]
                             [--templates TEMPLATES] [--no-templates] [-r]
                             [--min_text_length MIN_TEXT_LENGTH]
-                            [--filter_category path_of_categories_file]
                             [--filter_disambig_pages] [-it abbr,b,big]
                             [-de gallery,timeline,noinclude] [--keep_tables]
-                            [--processes PROCESSES] [-q] [--debug] [-a] [-v]
-                            [--log_file]
+                            [--processes PROCESSES] [-q] [--debug] [-a]
+                            [--log_file LOG_FILE] [-v]
+                            [--filter_category FILTER_CATEGORY]
                             input
 
     Wikipedia Extractor:
@@ -68,7 +68,7 @@ Each file will contains several documents in this [document format](http://media
     optional arguments:
       -h, --help            show this help message and exit
       --processes PROCESSES
-                            Number of processes to use (default 1)
+                            Number of processes to use (default 7)
 
     Output:
       -o OUTPUT, --output OUTPUT
@@ -88,23 +88,12 @@ Each file will contains several documents in this [document format](http://media
                             accepted namespaces in links
       --templates TEMPLATES
                             use or create file containing templates
-      --no-templates        Do not expand templates
+      --no-templates, --no_templates
+                            Do not expand templates
       -r, --revision        Include the document revision id (default=False)
       --min_text_length MIN_TEXT_LENGTH
                             Minimum expanded text length required to write
                             document (default=0)
-      --filter_category path_of_categories_file
-                            Include or exclude specific categories from the dataset. Specify the categories in
-                            file 'path_of_categories_file'. Format:
-                            One category one line, and if the line starts with:
-                                1) #: Comments, ignored;
-                                2) ^: the categories will be in excluding-categories
-                                3) others: the categories will be in including-categories.
-                            Priority:
-                                1) If excluding-categories is not empty, and any category of a page exists in excluding-categories, the page will be excluded; else
-                                2) If including-categories is not empty, and no category of a page exists in including-categories, the page will be excluded; else
-                                3) the page will be included
-
       --filter_disambig_pages
                             Remove pages from output that contain disabmiguation
                             markup (default=False)
@@ -116,15 +105,20 @@ Each file will contains several documents in this [document format](http://media
                             from the article text
       --keep_tables         Preserve tables in the output article text
                             (default=False)
+      --filter_category FILTER_CATEGORY
+                            specify the file that listing the Categories you want
+                            to include or exclude. One line for one category.
+                            starting with: 1) '#' comment, ignored; 2) '^'
+                            exclude; Note: excluding has higher priority than
+                            including
 
     Special:
       -q, --quiet           suppress reporting progress info
       --debug               print debug info
       -a, --article         analyze a file containing a single article (debug
                             option)
+      --log_file LOG_FILE   path to save the log info
       -v, --version         print program version
-      --log_file            specify a file to save the log information.
-
 
 Saving templates to a file will speed up performing extraction the next time,
 assuming template definitions have not changed.
diff --git a/WikiExtractor.py b/WikiExtractor.py
index 730b3ba..e03f52c 100755
--- a/WikiExtractor.py
+++ b/WikiExtractor.py
@@ -3139,7 +3139,7 @@ def main():
                         help="accepted namespaces in links")
     groupP.add_argument("--templates",
                         help="use or create file containing templates")
-    groupP.add_argument("--no_templates", action="store_false",
+    groupP.add_argument("--no-templates", "--no_templates", action="store_false",
                         help="Do not expand templates")
     groupP.add_argument("-r", "--revision", action="store_true", default=options.print_revision,
                         help="Include the document revision id (default=%(default)s)")