diff --git a/java/ql/lib/semmle/code/java/security/regexp/NfaUtils.qll b/java/ql/lib/semmle/code/java/security/regexp/NfaUtils.qll
index f24e3950d84..c781b8901d3 100644
--- a/java/ql/lib/semmle/code/java/security/regexp/NfaUtils.qll
+++ b/java/ql/lib/semmle/code/java/security/regexp/NfaUtils.qll
@@ -499,10 +499,10 @@ private module CharacterClasses {
   /** Gets a representative for all char classes that match the same chars as `c`. */
   CharacterClass normalize(CharacterClass c) {
     exists(string normalization |
-      normalization = getMormalizationString(c) and
+      normalization = getNormalizationString(c) and
       result =
         min(CharacterClass cc, string raw |
-          getMormalizationString(cc) = normalization and cc = CharClass(raw)
+          getNormalizationString(cc) = normalization and cc = CharClass(raw)
         |
           cc order by raw
         )
@@ -510,7 +510,7 @@ private module CharacterClasses {
   }
 
   /** Gets a string representing all the chars matched by `c` */
-  private string getMormalizationString(CharacterClass c) {
+  private string getNormalizationString(CharacterClass c) {
     (c instanceof PositiveCharacterClass or c instanceof PositiveCharacterClassEscape) and
     result = concat(string char | c.matches(char) and char = CharacterClasses::getARelevantChar())
     or
diff --git a/javascript/ql/lib/semmle/javascript/security/regexp/NfaUtils.qll b/javascript/ql/lib/semmle/javascript/security/regexp/NfaUtils.qll
index f24e3950d84..c781b8901d3 100644
--- a/javascript/ql/lib/semmle/javascript/security/regexp/NfaUtils.qll
+++ b/javascript/ql/lib/semmle/javascript/security/regexp/NfaUtils.qll
@@ -499,10 +499,10 @@ private module CharacterClasses {
   /** Gets a representative for all char classes that match the same chars as `c`. */
   CharacterClass normalize(CharacterClass c) {
     exists(string normalization |
-      normalization = getMormalizationString(c) and
+      normalization = getNormalizationString(c) and
       result =
         min(CharacterClass cc, string raw |
-          getMormalizationString(cc) = normalization and cc = CharClass(raw)
+          getNormalizationString(cc) = normalization and cc = CharClass(raw)
         |
           cc order by raw
         )
@@ -510,7 +510,7 @@ private module CharacterClasses {
   }
 
   /** Gets a string representing all the chars matched by `c` */
-  private string getMormalizationString(CharacterClass c) {
+  private string getNormalizationString(CharacterClass c) {
     (c instanceof PositiveCharacterClass or c instanceof PositiveCharacterClassEscape) and
     result = concat(string char | c.matches(char) and char = CharacterClasses::getARelevantChar())
     or
diff --git a/python/ql/lib/semmle/python/security/regexp/NfaUtils.qll b/python/ql/lib/semmle/python/security/regexp/NfaUtils.qll
index f24e3950d84..c781b8901d3 100644
--- a/python/ql/lib/semmle/python/security/regexp/NfaUtils.qll
+++ b/python/ql/lib/semmle/python/security/regexp/NfaUtils.qll
@@ -499,10 +499,10 @@ private module CharacterClasses {
   /** Gets a representative for all char classes that match the same chars as `c`. */
   CharacterClass normalize(CharacterClass c) {
     exists(string normalization |
-      normalization = getMormalizationString(c) and
+      normalization = getNormalizationString(c) and
       result =
         min(CharacterClass cc, string raw |
-          getMormalizationString(cc) = normalization and cc = CharClass(raw)
+          getNormalizationString(cc) = normalization and cc = CharClass(raw)
         |
           cc order by raw
         )
@@ -510,7 +510,7 @@ private module CharacterClasses {
   }
 
   /** Gets a string representing all the chars matched by `c` */
-  private string getMormalizationString(CharacterClass c) {
+  private string getNormalizationString(CharacterClass c) {
     (c instanceof PositiveCharacterClass or c instanceof PositiveCharacterClassEscape) and
     result = concat(string char | c.matches(char) and char = CharacterClasses::getARelevantChar())
     or
diff --git a/ruby/ql/lib/codeql/ruby/security/regexp/NfaUtils.qll b/ruby/ql/lib/codeql/ruby/security/regexp/NfaUtils.qll
index f24e3950d84..c781b8901d3 100644
--- a/ruby/ql/lib/codeql/ruby/security/regexp/NfaUtils.qll
+++ b/ruby/ql/lib/codeql/ruby/security/regexp/NfaUtils.qll
@@ -499,10 +499,10 @@ private module CharacterClasses {
   /** Gets a representative for all char classes that match the same chars as `c`. */
   CharacterClass normalize(CharacterClass c) {
     exists(string normalization |
-      normalization = getMormalizationString(c) and
+      normalization = getNormalizationString(c) and
       result =
         min(CharacterClass cc, string raw |
-          getMormalizationString(cc) = normalization and cc = CharClass(raw)
+          getNormalizationString(cc) = normalization and cc = CharClass(raw)
         |
           cc order by raw
         )
@@ -510,7 +510,7 @@ private module CharacterClasses {
   }
 
   /** Gets a string representing all the chars matched by `c` */
-  private string getMormalizationString(CharacterClass c) {
+  private string getNormalizationString(CharacterClass c) {
     (c instanceof PositiveCharacterClass or c instanceof PositiveCharacterClassEscape) and
     result = concat(string char | c.matches(char) and char = CharacterClasses::getARelevantChar())
     or