diff --git a/_codeql_detected_source_root b/_codeql_detected_source_root
new file mode 120000
index 0000000..fe661d3
--- /dev/null
+++ b/_codeql_detected_source_root
@@ -0,0 +1 @@
+./ekp_c
\ No newline at end of file
diff --git a/ekp-utils.el b/ekp-utils.el
index 8e73280..49bb77c 100644
--- a/ekp-utils.el
+++ b/ekp-utils.el
@@ -260,8 +260,7 @@ Whitespace runs are preserved as separate boxes; CJK punctuation attaches to pre
 
 ;;; Rust Module Support (currently unused — ekp_rust/ directory does not exist)
 
-(defun ekp-rust-module-reload (module)
-  (ekp--module-reload module))
+(defalias 'ekp-rust-module-reload #'ekp--module-reload)
 
 (defun ekp-module-dir ()
   (when-let ((root-dir (ekp-root-dir)))
diff --git a/ekp.el b/ekp.el
index 97113a3..60b067d 100644
--- a/ekp.el
+++ b/ekp.el
@@ -541,10 +541,12 @@ Uses binary search for O(log n) lookup."
          (= (aref vec lo) n))))
 
 (defalias 'ekp--hyphenate-p #'ekp--sorted-vector-member-p
-  "Return non-nil if position N ends with hyphenation.")
+  "Return non-nil if position N in HYPHEN-POSITIONS ends with hyphenation.
+HYPHEN-POSITIONS is a sorted vector of indices where hyphenation can occur.")
 
 (defalias 'ekp--flagged-p #'ekp--sorted-vector-member-p
-  "Return non-nil if position N is a flagged (forced) break.")
+  "Return non-nil if position N in FLAGGED-POSITIONS is a flagged (forced) break.
+FLAGGED-POSITIONS is a sorted vector of indices where forced breaks occur.")
 
 ;;;; Dynamic Programming Line Breaking