fix typo (openkruise#354)

Signed-off-by: hantmac <[email protected]>

CODE_OF_CONDUCT.md

@@ -8,7 +8,7 @@ This document defines the code of conduct that applies to the entire Openkruise
 We as members, contributors, and maintainers pledge to make participation in our
 community a harassment-free experience for everyone, regardless of age, body
 size, visible or invisible disability, ethnicity, sex characteristics, gender
-identity and expression, level of experience, education, socio-economic status,
+identity and expression, level of experience, education, social-economic status,
 nationality, personal appearance, race, religion, or sexual identity
 and orientation.
 
@@ -32,7 +32,7 @@ Examples of unacceptable behavior include:
 
 * The use of sexualized language or imagery, and sexual attention or
  advances of any kind
-* Personal attcks
+* Personal attacks
 * Trolling, insulting or derogatory comments, and personal or political attacks
 * Public or private harassment
 * Publishing others' private information, such as a physical or email
@@ -47,7 +47,7 @@ acceptable behavior and will take appropriate and fair corrective action in
 response to any behavior that they deem inappropriate, threatening, offensive,
 or harmful.
 
-Project maintainerss have the right and responsibility to remove, edit, or reject
+Project maintainers have the right and responsibility to remove, edit, or reject
 comments, commits, code, wiki edits, issues, and other contributions that are
 not aligned to this Code of Conduct, and will communicate reasons for moderation
 decisions when appropriate.

CONTRIBUTING.md

@@ -1,6 +1,6 @@
 # Contributing to Openkruise
 
-Welcome to Openkruise! Openkruise consists serveral repositories under the organization.
+Welcome to Openkruise! Openkruise consists several repositories under the organization.
 We encourage you to help out by reporting issues, improving documentation, fixing bugs, or adding new features.
 Please also take a look at our code of conduct, which details how contributors are expected to conduct themselves as part of the Openkruise community.
 

FAQ.md

@@ -3,9 +3,9 @@
 FAQ contains some frequently asked questions about two aspects:
 
 - First, user-facing functionalities.
-- Second, underlying concept and thoery.
+- Second, underlying concept and theory.
 
-Techinical questions will not be included in openkruise/kruise's FAQ.
+Technical questions will not be included in openkruise/kruise's FAQ.
 
 ## Advanced Statefulset