update caution

Author: anurudhp

qualtran/bloqs/bookkeeping/always.py

@@ -49,8 +49,10 @@ class Always(Bloq):
     This simplifies the decompositions by avoiding the need to explicitly define the decomposition
     for the controlled version of bloq.
 
-    **Caution:** This wrapper should be used with care, _only_ when ignoring the controls does not
-    affect the overall action of the bloq.
+    **Caution:** This wrapper should be used with care. It is up to the bloq author to ensure that
+    the controlled version of a decomposition containing `Always` bloqs still respects the
+    controlled protocol. That is, ignoring controls on these subbloqs wrapped in `Always` should not
+    change the action of the overall bloq with respect to the reference controlled implementation.
 
     Args:
         subbloq: The bloq to always apply, irrespective of any controls.

qualtran/bloqs/bookkeeping/bookkeeping.ipynb

@@ -1022,8 +1022,10 @@
     "This simplifies the decompositions by avoiding the need to explicitly define the decomposition\n",
     "for the controlled version of bloq.\n",
     "\n",
-    "**Caution:** This wrapper should be used with care, _only_ when ignoring the controls does not\n",
-    "affect the overall action of the bloq.\n",
+    "**Caution:** This wrapper should be used with care. It is up to the bloq author to ensure that\n",
+    "the controlled version of a decomposition containing `Always` bloqs still respects the\n",
+    "controlled protocol. That is, ignoring controls on these subbloqs wrapped in `Always` should not\n",
+    "change the action of the overall bloq with respect to the reference controlled implementation.\n",
     "\n",
     "#### Parameters\n",
     " - `subbloq`: The bloq to always apply, irrespective of any controls.\n"