diff --git a/doc/usage/cmd/acpi.rst b/doc/usage/cmd/acpi.rst
index a630f1e..9f30972 100644
--- a/doc/usage/cmd/acpi.rst
+++ b/doc/usage/cmd/acpi.rst
@@ -6,8 +6,8 @@
 acpi command
 ============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/bootdev.rst b/doc/usage/cmd/bootdev.rst
index 658020e..f759aba 100644
--- a/doc/usage/cmd/bootdev.rst
+++ b/doc/usage/cmd/bootdev.rst
@@ -6,8 +6,8 @@
 bootdev command
 ===============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/bootflow.rst b/doc/usage/cmd/bootflow.rst
index 16ba986..6519e48 100644
--- a/doc/usage/cmd/bootflow.rst
+++ b/doc/usage/cmd/bootflow.rst
@@ -6,8 +6,8 @@
 bootflow command
 ================
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/bootmeth.rst b/doc/usage/cmd/bootmeth.rst
index 95651fd..2903977 100644
--- a/doc/usage/cmd/bootmeth.rst
+++ b/doc/usage/cmd/bootmeth.rst
@@ -6,8 +6,8 @@
 bootmeth command
 ================
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/cbsysinfo.rst b/doc/usage/cmd/cbsysinfo.rst
index 8c03a85..80d8ba1 100644
--- a/doc/usage/cmd/cbsysinfo.rst
+++ b/doc/usage/cmd/cbsysinfo.rst
@@ -3,8 +3,8 @@
 cbsysinfo
 =========
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/cedit.rst b/doc/usage/cmd/cedit.rst
index b39d708..5670805 100644
--- a/doc/usage/cmd/cedit.rst
+++ b/doc/usage/cmd/cedit.rst
@@ -6,8 +6,8 @@
 cedit command
 =============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/cli.rst b/doc/usage/cmd/cli.rst
index 8148772..23e5ee7 100644
--- a/doc/usage/cmd/cli.rst
+++ b/doc/usage/cmd/cli.rst
@@ -6,8 +6,8 @@
 cli command
 ===========
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/dm.rst b/doc/usage/cmd/dm.rst
index 9bef2ee..7651507 100644
--- a/doc/usage/cmd/dm.rst
+++ b/doc/usage/cmd/dm.rst
@@ -6,8 +6,8 @@
 dm command
 ==========
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/fdt.rst b/doc/usage/cmd/fdt.rst
index 3e8c32c..71a9fc6 100644
--- a/doc/usage/cmd/fdt.rst
+++ b/doc/usage/cmd/fdt.rst
@@ -6,8 +6,8 @@
 fdt command
 ===========
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/font.rst b/doc/usage/cmd/font.rst
index adcd512..a8782546 100644
--- a/doc/usage/cmd/font.rst
+++ b/doc/usage/cmd/font.rst
@@ -6,8 +6,8 @@
 font command
 ============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/for.rst b/doc/usage/cmd/for.rst
index 4c98419..729bd4d 100644
--- a/doc/usage/cmd/for.rst
+++ b/doc/usage/cmd/for.rst
@@ -4,8 +4,8 @@
 for command
 ===========
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/history.rst b/doc/usage/cmd/history.rst
index 564a159..b52b5b2 100644
--- a/doc/usage/cmd/history.rst
+++ b/doc/usage/cmd/history.rst
@@ -6,8 +6,8 @@
 history command
 ===============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/host.rst b/doc/usage/cmd/host.rst
index 072497d..a70a432 100644
--- a/doc/usage/cmd/host.rst
+++ b/doc/usage/cmd/host.rst
@@ -6,8 +6,8 @@
 host command
 ============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/md.rst b/doc/usage/cmd/md.rst
index 9ea148a..9a9919f 100644
--- a/doc/usage/cmd/md.rst
+++ b/doc/usage/cmd/md.rst
@@ -6,8 +6,8 @@
 md command
 ==========
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/mtrr.rst b/doc/usage/cmd/mtrr.rst
index c656189..3c5c3ba 100644
--- a/doc/usage/cmd/mtrr.rst
+++ b/doc/usage/cmd/mtrr.rst
@@ -6,8 +6,8 @@
 mtrr command
 ============
 
-Synopis
--------
+Synopsis
+--------
 
     mtrr [list]
     mtrr set <reg> <type> <start> <size>
diff --git a/doc/usage/cmd/panic.rst b/doc/usage/cmd/panic.rst
index ba5ea62..39d32ad 100644
--- a/doc/usage/cmd/panic.rst
+++ b/doc/usage/cmd/panic.rst
@@ -6,8 +6,8 @@
 panic command
 =============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/part.rst b/doc/usage/cmd/part.rst
index 58be387..e7faecc 100644
--- a/doc/usage/cmd/part.rst
+++ b/doc/usage/cmd/part.rst
@@ -6,8 +6,8 @@
 part command
 ============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/sf.rst b/doc/usage/cmd/sf.rst
index 24d5dc6..dfdca46 100644
--- a/doc/usage/cmd/sf.rst
+++ b/doc/usage/cmd/sf.rst
@@ -6,8 +6,8 @@
 sf command
 ==========
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/sm.rst b/doc/usage/cmd/sm.rst
index b767647..e828fdd 100644
--- a/doc/usage/cmd/sm.rst
+++ b/doc/usage/cmd/sm.rst
@@ -6,8 +6,8 @@
 sm command
 ==========
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/trace.rst b/doc/usage/cmd/trace.rst
index ad6db12..e798b2b 100644
--- a/doc/usage/cmd/trace.rst
+++ b/doc/usage/cmd/trace.rst
@@ -6,8 +6,8 @@
 trace command
 =============
 
-Synopis
--------
+Synopsis
+--------
 
 ::
 
diff --git a/doc/usage/cmd/ut.rst b/doc/usage/cmd/ut.rst
index ddc48ec..45bc9ff 100644
--- a/doc/usage/cmd/ut.rst
+++ b/doc/usage/cmd/ut.rst
@@ -6,8 +6,8 @@
 ut command
 ==========
 
-Synopis
--------
+Synopsis
+--------
 
 ::