diff --git a/docs/usb-storage.txt b/docs/usb-storage.txt
index fa93111cf6..c5a3866eeb 100644
--- a/docs/usb-storage.txt
+++ b/docs/usb-storage.txt
@@ -5,7 +5,7 @@ qemu usb storage emulation
 QEMU has three devices for usb storage emulation.
 
 Number one emulates the classic bulk-only transport protocol which is
-used by 99% of the usb sticks on the marked today and is called
+used by 99% of the usb sticks on the market today and is called
 "usb-storage".  Usage (hooking up to xhci, other host controllers work
 too):
 
@@ -36,7 +36,7 @@ It's called "usb-bot".  It shares most code with "usb-storage", and
 the guest will not be able to see the difference.  The qemu command
 line interface is simliar to usb-uas though, i.e. no automatic scsi
 disk creation.  It also features support for up to 16 LUNs.  The LUN
-numbers must be continous, i.e. for three devices you must use 0+1+2.
+numbers must be continuous, i.e. for three devices you must use 0+1+2.
 The 0+1+5 numbering from the "usb-uas" example isn't going to work
 with "usb-bot".
 
diff --git a/hw/arm-misc.h b/hw/arm-misc.h
index cba7553039..7b2b02daaf 100644
--- a/hw/arm-misc.h
+++ b/hw/arm-misc.h
@@ -14,7 +14,7 @@
 #include "exec/memory.h"
 #include "hw/irq.h"
 
-/* The CPU is also modeled as an interrupt controller.  */
+/* The CPU is also modelled as an interrupt controller.  */
 #define ARM_PIC_CPU_IRQ 0
 #define ARM_PIC_CPU_FIQ 1
 qemu_irq *arm_pic_init_cpu(ARMCPU *cpu);
diff --git a/hw/pci/pci_host.c b/hw/pci/pci_host.c
index daca1c1ea0..12254b18a9 100644
--- a/hw/pci/pci_host.c
+++ b/hw/pci/pci_host.c
@@ -38,7 +38,7 @@ do { printf("pci_host_data: " fmt , ## __VA_ARGS__); } while (0)
  * bit  0 -  7: offset in configuration space of a given pci device
  */
 
-/* the helper functio to get a PCIDeice* for a given pci address */
+/* the helper function to get a PCIDevice* for a given pci address */
 static inline PCIDevice *pci_dev_find_by_addr(PCIBus *bus, uint32_t addr)
 {
     uint8_t bus_num = addr >> 16;
diff --git a/hw/sdhci.c b/hw/sdhci.c
index 93feada049..4a29e6cf7f 100644
--- a/hw/sdhci.c
+++ b/hw/sdhci.c
@@ -763,7 +763,7 @@ static void sdhci_do_adma(SDHCIState *s)
         }
     }
 
-    /* we have unfinished bussiness - reschedule to continue ADMA */
+    /* we have unfinished business - reschedule to continue ADMA */
     qemu_mod_timer(s->transfer_timer,
                    qemu_get_clock_ns(vm_clock) + SDHC_TRANSFER_DELAY);
 }
diff --git a/include/qom/object.h b/include/qom/object.h
index cf094e7142..d0f99c5782 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -202,7 +202,7 @@ typedef struct InterfaceInfo InterfaceInfo;
  * Methods are always <emphasis>virtual</emphasis>. Overriding a method in
  * #TypeInfo.class_init of a subclass leads to any user of the class obtained
  * via OBJECT_GET_CLASS() accessing the overridden function.
- * The original function is not automatically invoked. It is the responsability
+ * The original function is not automatically invoked. It is the responsibility
  * of the overriding class to determine whether and when to invoke the method
  * being overridden.
  *
diff --git a/monitor.c b/monitor.c
index 680d344211..cfb5d64054 100644
--- a/monitor.c
+++ b/monitor.c
@@ -3560,10 +3560,10 @@ static const mon_cmd_t *qmp_find_cmd(const char *cmdname)
  * If @cmdline is blank, return NULL.
  * If it can't be parsed, report to @mon, and return NULL.
  * Else, insert command arguments into @qdict, and return the command.
- * If sub-command table exist, and if @cmdline contains addtional string for
- * sub-command, this function will try search sub-command table. if no
- * addtional string for sub-command exist, this function will return the found
- * one in @table.
+ * If a sub-command table exists, and if @cmdline contains an additional string
+ * for a sub-command, this function will try to search the sub-command table.
+ * If no additional string for a sub-command is present, this function will
+ * return the command found in @table.
  * Do not assume the returned command points into @table!  It doesn't
  * when the command is a sub-command.
  */
diff --git a/net/tap.c b/net/tap.c
index daab350efc..ce796997a3 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -696,7 +696,7 @@ int net_init_tap(const NetClientOptions *opts, const char *name,
     /* QEMU vlans does not support multiqueue tap, in this case peer is set.
      * For -netdev, peer is always NULL. */
     if (peer && (tap->has_queues || tap->has_fds || tap->has_vhostfds)) {
-        error_report("Multiqueue tap cannnot be used with QEMU vlans");
+        error_report("Multiqueue tap cannot be used with QEMU vlans");
         return -1;
     }
 
diff --git a/qemu-options.hx b/qemu-options.hx
index 06dd565076..d7afeab8b0 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1123,7 +1123,7 @@ is a TCP port number, not a display number.
 @item websocket
 
 Opens an additional TCP listening port dedicated to VNC Websocket connections.
-By defintion the Websocket port is 5700+@var{display}. If @var{host} is
+By definition the Websocket port is 5700+@var{display}. If @var{host} is
 specified connections will only be allowed from this host.
 As an alternative the Websocket port could be specified by using
 @code{websocket}=@var{port}.
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index d7da850615..3b5c536e41 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -120,7 +120,7 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err)
         return;
     }
 
-    /* succeded */
+    /* succeeded */
 }
 
 int64_t qmp_guest_get_time(Error **errp)
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 705147a00b..c9cc2ffff5 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -4746,7 +4746,7 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
             }
             s->pc++;
 
-            /* 4.1.1-4.1.3: No preceeding lock, 66, f2, f3, or rex prefixes. */
+            /* 4.1.1-4.1.3: No preceding lock, 66, f2, f3, or rex prefixes. */
             if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ
                             | PREFIX_LOCK | PREFIX_DATA)) {
                 goto illegal_op;
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 88e481cdbc..a4f2194ec7 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -1142,7 +1142,7 @@ struct DisasInsn {
 };
 
 /* ====================================================================== */
-/* Miscelaneous helpers, used by several operations.  */
+/* Miscellaneous helpers, used by several operations.  */
 
 static void help_l2_shift(DisasContext *s, DisasFields *f,
                           DisasOps *o, int mask)