findRootsNoTemp: fixes comment about findRuntimeRoots

The NIX_ROOT_FINDER environment variable was removed in
3c46fe62b833a4e66845665edc99555022d3d98c when porting from perl to C.

1 files changed, 3 insertions, 4 deletions

diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index d8a5da0d4..26e2b0dca 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -326,10 +326,9 @@ void LocalStore::findRootsNoTemp(Roots & roots, bool censor)
     findRoots(stateDir + "/" + gcRootsDir, DT_UNKNOWN, roots);
     findRoots(stateDir + "/profiles", DT_UNKNOWN, roots);
 
-    /* Add additional roots returned by the program specified by the
-       NIX_ROOT_FINDER environment variable.  This is typically used
-       to add running programs to the set of roots (to prevent them
-       from being garbage collected). */
+    /* Add additional roots returned by different platforms-specific
+       heuristics.  This is typically used to add running programs to
+       the set of roots (to prevent them from being garbage collected). */
     findRuntimeRoots(roots, censor);
 }