diff --git a/tests/examples/wibox/widget/graph/clamp_bars.lua b/tests/examples/wibox/widget/graph/clamp_bars.lua
index c928b9bc..621fe8ab 100644
--- a/tests/examples/wibox/widget/graph/clamp_bars.lua
+++ b/tests/examples/wibox/widget/graph/clamp_bars.lua
@@ -50,7 +50,7 @@ end --DOC_HIDE
 parent:add(wibox.layout {--DOC_HIDE
     {--DOC_HIDE
         {--DOC_HIDE
-            markup = "<b>clamp_bars=false</b>",--DOC_HIDE
+            markup = "<b>clamp_bars = false</b>",--DOC_HIDE
             widget = wibox.widget.textbox,--DOC_HIDE
         },--DOC_HIDE
         w_unclamped,--DOC_HIDE
@@ -58,7 +58,7 @@ parent:add(wibox.layout {--DOC_HIDE
     },--DOC_HIDE
     {--DOC_HIDE
         {--DOC_HIDE
-            markup = "<b>clamp_bars=true</b>",--DOC_HIDE
+            markup = "<b>clamp_bars = true</b>",--DOC_HIDE
             widget = wibox.widget.textbox,--DOC_HIDE
         },--DOC_HIDE
         w_clamped,--DOC_HIDE
diff --git a/tests/examples/wibox/widget/graph/nan_color.lua b/tests/examples/wibox/widget/graph/nan_color.lua
index ce959855..aa8da38f 100644
--- a/tests/examples/wibox/widget/graph/nan_color.lua
+++ b/tests/examples/wibox/widget/graph/nan_color.lua
@@ -83,7 +83,7 @@ parent:add(wibox.layout {--DOC_HIDE
     },--DOC_HIDE
     {--DOC_HIDE
         {--DOC_HIDE
-            markup = "<b>nan_indication=false</b>",--DOC_HIDE
+            markup = "<b>nan_indication = false</b>",--DOC_HIDE
             widget = wibox.widget.textbox,--DOC_HIDE
         },--DOC_HIDE
         w_false,--DOC_HIDE
diff --git a/tests/examples/wibox/widget/graph/stacked_nan.lua b/tests/examples/wibox/widget/graph/stacked_nan.lua
index 180f5d14..8227f8f5 100644
--- a/tests/examples/wibox/widget/graph/stacked_nan.lua
+++ b/tests/examples/wibox/widget/graph/stacked_nan.lua
@@ -100,7 +100,7 @@ parent:add(wibox.layout {--DOC_HIDE
     },--DOC_HIDE
     {--DOC_HIDE
         {--DOC_HIDE
-            markup = "<b>nan_indication=false</b>",--DOC_HIDE
+            markup = "<b>nan_indication = false</b>",--DOC_HIDE
             widget = wibox.widget.textbox,--DOC_HIDE
         },--DOC_HIDE
         w_false,--DOC_HIDE