diff --git a/doc/source/netscript/singularityfunctions/installAugmentations.rst b/doc/source/netscript/singularityfunctions/installAugmentations.rst
index 38a862674..0064844ba 100644
--- a/doc/source/netscript/singularityfunctions/installAugmentations.rst
+++ b/doc/source/netscript/singularityfunctions/installAugmentations.rst
@@ -11,4 +11,7 @@ installAugmentations() Netscript Function
 
     This function will automatically install your Augmentations, resetting the game as usual.
 
-    It will return true if successful, and false otherwise.
+    This function will return false if it was not able to install Augmentations.
+
+    If this function successfully installs Augmentations, then it has no return value because
+    all scripts are immediately terminated.
diff --git a/doc/source/netscript/singularityfunctions/isBusy.rst b/doc/source/netscript/singularityfunctions/isBusy.rst
index 1bccaa2fe..87d509a7f 100644
--- a/doc/source/netscript/singularityfunctions/isBusy.rst
+++ b/doc/source/netscript/singularityfunctions/isBusy.rst
@@ -5,5 +5,12 @@ isBusy() Netscript Function
 
     If you are not in BitNode-4, then you must have Level 1 of Source-File 4 in order to run this function.
 
-    Returns a boolean indicating whether or not the player is currently performing an 'action'. These actions include
-    working for a company/faction, studying at a univeristy, working out at a gym, creating a program, or committing a crime.
+    Returns a boolean indicating whether or not the player is currently performing an 'action'.
+    These actions include:
+
+    * Working for a company/faction
+    * Studying at a univeristy
+    * Working out at a gym
+    * Creating a program
+    * Committing a crime
+    * Carrying out a Hacking Mission
diff --git a/src/Constants.ts b/src/Constants.ts
index c6730a8b7..bcf91e0a8 100644
--- a/src/Constants.ts
+++ b/src/Constants.ts
@@ -234,6 +234,9 @@ export let CONSTANTS: IMap<any> = {
     * run() and exec() now return the PID of the newly-executed scripts, rather than a boolean
     ** (A PID is just a positive integer)
     * run(), exec(), and spawn() no longer need to be await-ed in NetscriptJS
+    * Script parsing and RAM calculations now support ES9
+    * installAugmentations() no longer has a return value since it causes all scripts to die
+    * isBusy() now returns true if you are in a Hacking Mission
     * Bug fix: workForFaction() function now properly accounts for disabled logs
     * Bug fix: RAM should now be properly calculated when running a callback script with installAugmentations()
     * Bug fix: Fixed bug that caused scripts killed by exit()/spawn() to "clean up" twice
diff --git a/src/NetscriptFunctions.js b/src/NetscriptFunctions.js
index 8641a2f8a..239dade64 100644
--- a/src/NetscriptFunctions.js
+++ b/src/NetscriptFunctions.js
@@ -2752,7 +2752,7 @@ function NetscriptFunctions(workerScript) {
                     return;
                 }
             }
-            return Player.isWorking;
+            return Player.isWorking || inMission;
         },
         stopAction: function() {
             updateDynamicRam("stopAction", getRamCost("stopAction"));