diff --git a/lib/ngx/ssl.md b/lib/ngx/ssl.md
index 78dff4a9e..609471a55 100644
--- a/lib/ngx/ssl.md
+++ b/lib/ngx/ssl.md
@@ -270,7 +270,7 @@ server_port
 **context:** *any*
 
 Returns the server port. Returns `nil`
-when server dont have a port.
+when the server does not have a port.
 
 In case of failures, it returns `nil` *and* a string describing the error.
 
diff --git a/lib/ngx/ssl/clienthello.md b/lib/ngx/ssl/clienthello.md
index 05bc4c9a2..51cd30346 100644
--- a/lib/ngx/ssl/clienthello.md
+++ b/lib/ngx/ssl/clienthello.md
@@ -72,7 +72,7 @@ Description
 
 This Lua module provides API functions for post-processing SSL client hello message for NGINX downstream connections.
 
-It must to be used in the contexts [ssl_client_hello_by_lua*](https://github.com/openresty/lua-nginx-module/#ssl_client_hello_by_lua_block).
+It must be used in the context [ssl_client_hello_by_lua*](https://github.com/openresty/lua-nginx-module/#ssl_client_hello_by_lua_block).
 
 This Lua API is particularly useful for dynamically setting the SSL protocols according to the SNI.
 
diff --git a/lib/ngx/ssl/proxysslverify.md b/lib/ngx/ssl/proxysslverify.md
index ecf9bce4c..b78de8c74 100644
--- a/lib/ngx/ssl/proxysslverify.md
+++ b/lib/ngx/ssl/proxysslverify.md
@@ -64,7 +64,7 @@ Description
 
 This Lua module provides API functions for post-processing SSL server certificate message for NGINX upstream connections.
 
-It must to be used in the contexts [proxy_ssl_verify_by_lua*](https://github.com/openresty/lua-nginx-module/#proxy_ssl_verify_by_lua_block).
+It must be used in the context [proxy_ssl_verify_by_lua*](https://github.com/openresty/lua-nginx-module/#proxy_ssl_verify_by_lua_block).
 
 This directive runs user Lua code when Nginx is about to post-process the SSL server certificate message for the upstream SSL (https) connections.