diff --git a/glean/shell/Glean/Shell.hs b/glean/shell/Glean/Shell.hs
index 6f2f7d1c7..78895d54f 100644
--- a/glean/shell/Glean/Shell.hs
+++ b/glean/shell/Glean/Shell.hs
@@ -494,8 +494,8 @@ helpAngle = vcat
   , "  \"abc\"                    :: string"
   , "  \"abc\"..                  :: string prefix match"
   , "  true|false               :: bool"
-  , "  [ val1, val2]            :: array(T)"
-  , "  [ val1, val2, ..]        :: array(T) prefix"
+  , "  [ val1, val2]            :: [T]"
+  , "  [ val1, val2, ..]        :: [T] prefix"
   , "  { field = val, ... }     :: record(fields), omitted fields are wild"
   , "  { field = val }          :: sum(fields)"
   , ""
diff --git a/glean/shell/tests/integration/test-shell.t b/glean/shell/tests/integration/test-shell.t
index 42d2c6507..f4e37be8f 100644
--- a/glean/shell/tests/integration/test-shell.t
+++ b/glean/shell/tests/integration/test-shell.t
@@ -43,8 +43,8 @@
     "abc"                    :: string
     "abc"..                  :: string prefix match
     true|false               :: bool
-    [ val1, val2]            :: array(T)
-    [ val1, val2, ..]        :: array(T) prefix
+    [ val1, val2]            :: [T]
+    [ val1, val2, ..]        :: [T] prefix
     { field = val, ... }     :: record(fields), omitted fields are wild
     { field = val }          :: sum(fields)