diff --git a/frontend/ui/uimanager.lua b/frontend/ui/uimanager.lua
index 3e113efb6..11520b30e 100644
--- a/frontend/ui/uimanager.lua
+++ b/frontend/ui/uimanager.lua
@@ -198,8 +198,8 @@ function UIManager:schedule(time, action)
                     break
                 end
             else
-                -- for fairness, it's better to make p+1 is strictly less than p
-                -- might want to revisit here in the future
+                -- for fairness, it's better to make p+1 is strictly less than
+                -- p might want to revisit here in the future
                 break
             end
         until e < s
diff --git a/kodev b/kodev
index bddd743b2..cf131c332 100755
--- a/kodev
+++ b/kodev
@@ -4,7 +4,7 @@ CURDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 function assert_ret_zero {
     if [ $1 -ne 0 ]; then
-        if [ ! -z $2 ]; then
+        if [ ! -z "$2" ]; then
             echo $2
         fi
         exit 1
diff --git a/spec/unit/readersearch_spec.lua b/spec/unit/readersearch_spec.lua
index 41c216850..64ad2cd26 100644
--- a/spec/unit/readersearch_spec.lua
+++ b/spec/unit/readersearch_spec.lua
@@ -93,6 +93,7 @@ describe("Readersearch module", function()
             assert.are.equal(13, count)
         end)
     end)
+
     describe("search API for PDF documents", function()
         local doc, search, paging
         setup(function()