Updated docs
diff --git a/docs/dyn/appsactivity_v1.activities.html b/docs/dyn/appsactivity_v1.activities.html
index e3f3f54..dda5212 100644
--- a/docs/dyn/appsactivity_v1.activities.html
+++ b/docs/dyn/appsactivity_v1.activities.html
@@ -143,7 +143,7 @@
                   "name": "A String", # The name of the user or group the permission applies to.
                   "role": "A String", # Indicates the Google Drive permissions role. The role determines a user's ability to read, write, or comment on the file.
                   "user": { # A representation of a user. # The user's information if the type is USER.
-                    "photo": { # Photo information for a user. # The profile photo of the user.
+                    "photo": { # Photo information for a user. # The profile photo of the user. Not present if the user has no profile photo.
                       "url": "A String", # The URL of the photo.
                     },
                     "name": "A String", # The displayable name of the user.
@@ -158,7 +158,7 @@
                   "name": "A String", # The name of the user or group the permission applies to.
                   "role": "A String", # Indicates the Google Drive permissions role. The role determines a user's ability to read, write, or comment on the file.
                   "user": { # A representation of a user. # The user's information if the type is USER.
-                    "photo": { # Photo information for a user. # The profile photo of the user.
+                    "photo": { # Photo information for a user. # The profile photo of the user. Not present if the user has no profile photo.
                       "url": "A String", # The URL of the photo.
                     },
                     "name": "A String", # The displayable name of the user.
@@ -169,7 +169,7 @@
             },
           ],
           "user": { # A representation of a user. # Represents the user responsible for the event.
-            "photo": { # Photo information for a user. # The profile photo of the user.
+            "photo": { # Photo information for a user. # The profile photo of the user. Not present if the user has no profile photo.
               "url": "A String", # The URL of the photo.
             },
             "name": "A String", # The displayable name of the user.
@@ -217,7 +217,7 @@
                     "name": "A String", # The name of the user or group the permission applies to.
                     "role": "A String", # Indicates the Google Drive permissions role. The role determines a user's ability to read, write, or comment on the file.
                     "user": { # A representation of a user. # The user's information if the type is USER.
-                      "photo": { # Photo information for a user. # The profile photo of the user.
+                      "photo": { # Photo information for a user. # The profile photo of the user. Not present if the user has no profile photo.
                         "url": "A String", # The URL of the photo.
                       },
                       "name": "A String", # The displayable name of the user.
@@ -232,7 +232,7 @@
                     "name": "A String", # The name of the user or group the permission applies to.
                     "role": "A String", # Indicates the Google Drive permissions role. The role determines a user's ability to read, write, or comment on the file.
                     "user": { # A representation of a user. # The user's information if the type is USER.
-                      "photo": { # Photo information for a user. # The profile photo of the user.
+                      "photo": { # Photo information for a user. # The profile photo of the user. Not present if the user has no profile photo.
                         "url": "A String", # The URL of the photo.
                       },
                       "name": "A String", # The displayable name of the user.
@@ -243,7 +243,7 @@
               },
             ],
             "user": { # A representation of a user. # Represents the user responsible for the event.
-              "photo": { # Photo information for a user. # The profile photo of the user.
+              "photo": { # Photo information for a user. # The profile photo of the user. Not present if the user has no profile photo.
                 "url": "A String", # The URL of the photo.
               },
               "name": "A String", # The displayable name of the user.