diff --git a/docs/configuration.md b/docs/configuration.md
index 61b61048..b75172ef 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -276,7 +276,7 @@ Extending past the start or end of the month will cause it to be clamped. E.g. s
 `['1:31']` during February will clamp the actual end date to 28 or 29 depending on leap years.
 Inclusive on both ends.
 
-`month_range`: A list of calendar months identified by a case-insentive name (e.g. 'January') or by number,
+`month_range`: A list of calendar months identified by a case-insenstive name (e.g. 'January') or by number,
 where January = 1. Ranges are also accepted. For example, `['1:3', 'may:august', 'december']`.
 Inclusive on both ends.
 
@@ -460,7 +460,7 @@ wechat_configs:
 # The email address to send notifications to.
 to: <tmpl_string>
 
-# The sender address.
+# The sender's address.
 [ from: <tmpl_string> | default = global.smtp_from ]
 
 # The SMTP host through which emails are sent.
@@ -855,7 +855,7 @@ responders:
 [ name: <tmpl_string> ]
 [ username: <tmpl_string> ]
 
-# "team", "user", "escalation" or schedule".
+# "team", "user", "escalation" or "schedule".
 type: <tmpl_string>
 ```