diff --git a/debug.go b/debug.go
index 601ec80..ff2b839 100644
--- a/debug.go
+++ b/debug.go
@@ -161,7 +161,7 @@ func debugHandler(kcfg config.KernelConfig, workPath, kernRegex, gdb string,
 
 	q.Debug(gdb)
 	coloredGdbAddress := aurora.BgGreen(aurora.Black(gdb))
-	fmt.Printf("[*] gdb is run on %s\n", coloredGdbAddress)
+	fmt.Printf("[*] gdb runned on %s\n", coloredGdbAddress)
 
 	err = q.Start()
 	if err != nil {
diff --git a/docs/introduction.rst b/docs/introduction.rst
index dc195cf..161ee26 100644
--- a/docs/introduction.rst
+++ b/docs/introduction.rst
@@ -54,7 +54,7 @@ Overview
 
     $ out-of-tree debug --kernel 'Ubuntu:4.15.0-58-generic'
     [*] KASLR SMEP SMAP
-    [*] gdb is run on tcp::1234
+    [*] gdb runned on tcp::1234
     [*] build result copied to /tmp/exploit
 
     ssh -o StrictHostKeyChecking=no -p 29308 root@127.133.45.236
diff --git a/examples/kernel-exploit/Makefile b/examples/kernel-exploit/Makefile
index 0483ddc..e81ae10 100644
--- a/examples/kernel-exploit/Makefile
+++ b/examples/kernel-exploit/Makefile
@@ -2,7 +2,7 @@
 # - KERNEL: kernel headers path
 # - TARGET: name of exploit binary that MUST be produced by makefile.
 # - $(TARGET)_test: name of test binary that MUST be produced by makefile
-# and it's will be is run on a LPE stage. TARGET_TEST MUST accept two argument:
+# and it's will be runned on a LPE stage. TARGET_TEST MUST accept two argument:
 #   - Path to exploit binary
 #   - File that MUST be created with exploit. It uses for test that exploit works
 #     correctly.
diff --git a/qemu/qemu-kernel.go b/qemu/qemu-kernel.go
index 1017a11..e0865de 100644
--- a/qemu/qemu-kernel.go
+++ b/qemu/qemu-kernel.go
@@ -60,7 +60,7 @@ type Kernel struct {
 	InitrdPath string
 }
 
-// System describe qemu parameters and is run process
+// System describe qemu parameters and runned process
 type System struct {
 	arch      arch
 	kernel    Kernel
@@ -86,7 +86,7 @@ type System struct {
 	Died        bool
 	sshAddrPort string
 
-	// accessible while qemu is is run
+	// accessible while qemu is runned
 	cmd  *exec.Cmd
 	pipe struct {
 		stdin  io.WriteCloser
diff --git a/tools/qemu-centos-img/7/Dockerfile b/tools/qemu-centos-img/7/Dockerfile
index 5400dee..c47e494 100644
--- a/tools/qemu-centos-img/7/Dockerfile
+++ b/tools/qemu-centos-img/7/Dockerfile
@@ -47,7 +47,7 @@ ENV IMAGE=/shared/out_of_tree_centos_7.img
 
 RUN mkdir $IMAGEDIR
 
-# Must be is run with --privileged because of /dev/loop
+# Must be runned with --privileged because of /dev/loop
 CMD qemu-img create $IMAGE 2G && \
 	mkfs.ext4 -F $IMAGE && \
 	mount -o loop $IMAGE $IMAGEDIR && \
diff --git a/tools/qemu-debian-img/Dockerfile b/tools/qemu-debian-img/Dockerfile
index d577dfe..1fbb6c8 100644
--- a/tools/qemu-debian-img/Dockerfile
+++ b/tools/qemu-debian-img/Dockerfile
@@ -25,7 +25,7 @@ ENV RELEASE=bionic
 
 RUN mkdir $IMAGEDIR
 
-# Must be is run with --privileged because of /dev/loop
+# Must be runned with --privileged because of /dev/loop
 CMD debootstrap --include=openssh-server $RELEASE $TMPDIR $REPOSITORY && \
 	/shared/setup.sh $TMPDIR && \
 	qemu-img create $IMAGE 2G && \