diff --git a/python/ql/lib/semmle/python/security/performance/ReDoSUtil.qll b/python/ql/lib/semmle/python/security/performance/ReDoSUtil.qll
index 91b2d1d0378..b05435cf1f4 100644
--- a/python/ql/lib/semmle/python/security/performance/ReDoSUtil.qll
+++ b/python/ql/lib/semmle/python/security/performance/ReDoSUtil.qll
@@ -32,7 +32,7 @@ abstract class ReDoSConfiguration extends string {
 }
 
 /**
- * Holds if repeating `pump' starting at `state` is a candidate for causing backtracking.
+ * Holds if repeating `pump` starting at `state` is a candidate for causing backtracking.
  * No check whether a rejected suffix exists has been made.
  */
 private predicate isReDoSCandidate(State state, string pump) {
diff --git a/ruby/ql/lib/codeql/ruby/security/performance/ReDoSUtil.qll b/ruby/ql/lib/codeql/ruby/security/performance/ReDoSUtil.qll
index 91b2d1d0378..b05435cf1f4 100644
--- a/ruby/ql/lib/codeql/ruby/security/performance/ReDoSUtil.qll
+++ b/ruby/ql/lib/codeql/ruby/security/performance/ReDoSUtil.qll
@@ -32,7 +32,7 @@ abstract class ReDoSConfiguration extends string {
 }
 
 /**
- * Holds if repeating `pump' starting at `state` is a candidate for causing backtracking.
+ * Holds if repeating `pump` starting at `state` is a candidate for causing backtracking.
  * No check whether a rejected suffix exists has been made.
  */
 private predicate isReDoSCandidate(State state, string pump) {