diff --git a/README.md b/README.md
index 7c20c07a..7fe2284c 100644
--- a/README.md
+++ b/README.md
@@ -33,10 +33,10 @@ Lykia is a toy document database basically written for educational purposes. It
 - [x] A minimal standard library
 - [ ] SQL parsing
     - [x] "SELECT" expressions (the most complex part of the SQL syntax)
-    - [ ] "INSERT" statements
-    - [ ] "UPDATE" statements
-    - [ ] "DELETE" statements
-- [ ] Query planning
+    - [ ] "INSERT" statements (in progress)
+    - [ ] "UPDATE" statements (in progress)
+    - [ ] "DELETE" statements (in progress)
+- [ ] Query planning (in progress)
 - [ ] Plan optimization
 - [ ] Async runtime/event loop
 - [ ] In-memory storage engine
diff --git a/server/src/lang/scanner.rs b/server/src/lang/scanner.rs
index b473e696..b988597b 100644
--- a/server/src/lang/scanner.rs
+++ b/server/src/lang/scanner.rs
@@ -172,18 +172,18 @@ impl<'a> Scanner<'a> {
             }
         };
 
-        if !is_coerced_identifier && CASE_SNS_KEYWORDS.contains_key(&raw_str) {
+        if !is_coerced_identifier && GENERIC_KEYWORDS.contains_key(&raw_str) {
             Ok(Token {
-                tok_type: CASE_SNS_KEYWORDS.get(&raw_str).unwrap().clone(),
+                tok_type: GENERIC_KEYWORDS.get(&raw_str).unwrap().clone(),
                 literal: None,
                 lexeme: Some(raw_str),
                 span,
             })
         } else if !is_coerced_identifier
-            && CASE_INS_KEYWORDS.contains_key(&raw_str.to_ascii_uppercase())
+            && SQL_KEYWORDS.contains_key(&raw_str.to_ascii_uppercase())
         {
             Ok(Token {
-                tok_type: CASE_INS_KEYWORDS
+                tok_type: SQL_KEYWORDS
                     .get(&raw_str.to_ascii_uppercase())
                     .unwrap()
                     .clone(),
diff --git a/server/src/lang/token.rs b/server/src/lang/token.rs
index 68eef360..e83cc39d 100644
--- a/server/src/lang/token.rs
+++ b/server/src/lang/token.rs
@@ -182,7 +182,7 @@ pub static SYMBOLS: phf::Map<char, TokenType> = phf_map! {
     ']' => sym!(Symbol::RightBracket),
 };
 
-pub static CASE_SNS_KEYWORDS: phf::Map<&'static str, TokenType> = phf_map! {
+pub static GENERIC_KEYWORDS: phf::Map<&'static str, TokenType> = phf_map! {
     "class" => kw!(Keyword::Class),
     "else" => kw!(Keyword::Else),
     "for" => kw!(Keyword::For),
@@ -203,7 +203,7 @@ pub static CASE_SNS_KEYWORDS: phf::Map<&'static str, TokenType> = phf_map! {
     "true" => TokenType::True,
 };
 
-pub static CASE_INS_KEYWORDS: phf::Map<&'static str, TokenType> = phf_map! {
+pub static SQL_KEYWORDS: phf::Map<&'static str, TokenType> = phf_map! {
     //
     "ALL" => skw!(SqlKeyword::All),
     "DISTINCT" => skw!(SqlKeyword::Distinct),