diff --git a/libclambcc/ClamBCAnalyzer/ClamBCAnalyzer.cpp b/libclambcc/ClamBCAnalyzer/ClamBCAnalyzer.cpp
index 90d2e03ad5..936f15fba5 100644
--- a/libclambcc/ClamBCAnalyzer/ClamBCAnalyzer.cpp
+++ b/libclambcc/ClamBCAnalyzer/ClamBCAnalyzer.cpp
@@ -201,6 +201,11 @@ void ClamBCAnalysis::run(Module &m)
         functions.push_back(F);
     }
 
+    /*
+     * Remove all functions and re-insert them sorted by number of arguments.
+     * This is a requirement of the writer, but I have not verified that it is
+     * still necessary.
+     */
     for (size_t i = 0; i < functions.size(); i++) {
         functions[i]->removeFromParent();
     }