diff --git a/common/arch.h b/common/arch.h
index 14ab9d7d..d3ae460e 100644
--- a/common/arch.h
+++ b/common/arch.h
@@ -22,7 +22,7 @@
 /* you can define L_ENDIAN or B_ENDIAN and NEED_ALIGN or NO_NEED_ALIGN
    in the makefile to override */
 
-/* check endianess */
+/* check endianness */
 #if !(defined(L_ENDIAN) || defined(B_ENDIAN))
 #if !defined(__BYTE_ORDER) && defined(__linux__)
 #include <endian.h>
diff --git a/design.txt b/design.txt
index 431bcbd1..3b120c89 100644
--- a/design.txt
+++ b/design.txt
@@ -31,5 +31,5 @@ is lost, the session remains.
 
 For X11, start the XServer after the user is
 authenticated.  First check for the next available X11 display,
-create a user session, start the XServer and set the DISPLAY enviromenet
+create a user session, start the XServer and set the DISPLAY environment
 variable.
diff --git a/install.txt b/install.txt
index 5683d1e5..dd36f4e3 100644
--- a/install.txt
+++ b/install.txt
@@ -11,11 +11,11 @@ You can build sesman without pam, there is a Makefile parameter
 for that.
 I also have a replacement ssl_calls.c to avoid the openssl dependency
 email me(Jay) for it or see http://server1.xrdp.org/xrdp/openssl.
-Due to the licence, I can't include it in this project.
+Due to the license, I can't include it in this project.
 
 http://server1.xrdp.org/xrdp/openssl/
 
-unpackage the tarball
+unpack the tarball
 
 tar -zxvf xrdp-0.1.tar.gz
 
@@ -28,7 +28,7 @@ run make
 as root, run make install
 
 This will install most of the files in /usr/local/xrdp.
-Some files install in /etc/xrdp.  These are configuation
+Some files install in /etc/xrdp.  These are configuration
 files.
 
 files and location
diff --git a/instfiles/init.d/xrdp b/instfiles/init.d/xrdp
index e6c6e123..8e5f42d1 100644
--- a/instfiles/init.d/xrdp
+++ b/instfiles/init.d/xrdp
@@ -139,7 +139,7 @@ case "$1" in
 	;;
   force-stop)
 	$0 stop
-	# because it doesn't allways die the right way
+	# because it doesn't always die the right way
 	force_stop
 	;;
   restart|force-reload)
diff --git a/prog_std.txt b/prog_std.txt
index c358a470..671172f2 100644
--- a/prog_std.txt
+++ b/prog_std.txt
@@ -1,5 +1,5 @@
 
-This is an atempt to explain my odd programming standard used for this project.
+This is an attempt to explain my odd programming standard used for this project.
 Not to defend any of these but its my default standard and make it easy
 for me to read.
 Some files break these rules, they will be updated eventually.
diff --git a/readme.txt b/readme.txt
index 4e4d712e..b051ef02 100644
--- a/readme.txt
+++ b/readme.txt
@@ -9,8 +9,8 @@ Credits
   Mark from up 19.9 was the first to work with rdp server code.
 
 Tested with linux on i386, x64, sparc, and ppc.
-I've got it compiling and working in windows with borland free tools.
-Non of the sesman or Xserver stuff works in windows of course.
+I've got it compiling and working in windows with Borland free tools.
+None of the sesman or Xserver stuff works in windows of course.
 
 xrdp directory is the main server code
 vnc directory is a simple vnc client module for xrdp
@@ -19,11 +19,11 @@ libxrdp directory is a static library needed by xrdp
 rdp is an rdp client module for connecting to another rdp server
 xup is a module used to connect to an rdp specific X11 server
 Xserver is the files needed to build an rdp specific X11 server
-COPYING is the licence file
-design.txt is an attempt to expain the project design
+COPYING is the license file
+design.txt is an attempt to explain the project design
 prog_std.txt is an attempt to explain the programming standard used
 
-since version 0.5.0 we switch to autotool to build xrdp
+since version 0.5.0 we switch to autotools to build xrdp
 
 to build and install
 
diff --git a/sesman/libscp/libscp_lock.c b/sesman/libscp/libscp_lock.c
index 4db05422..d35e3c9c 100644
--- a/sesman/libscp/libscp_lock.c
+++ b/sesman/libscp/libscp_lock.c
@@ -57,7 +57,7 @@ scp_lock_fork_request(void)
 
     if (lock_fork_blockers_count == 0)
     {
-        /* if noone is blocking fork(), then we're allowed to fork */
+        /* if no one is blocking fork(), then we're allowed to fork */
         sem_post(&lock_fork_req);
     }
 
diff --git a/sesman/libscp/libscp_lock.h b/sesman/libscp/libscp_lock.h
index b4e93c52..ae2c361b 100644
--- a/sesman/libscp/libscp_lock.h
+++ b/sesman/libscp/libscp_lock.h
@@ -52,8 +52,8 @@ scp_lock_fork_release(void);
  *
  * @brief starts a section that is critical for forking
  *
- * starts a section that is critical for forking, that is noone can fork()
- * while i'm in a critical section. But if someone wanted to fork we have
+ * starts a section that is critical for forking, that is no one can fork()
+ * while I'm in a critical section. But if someone wanted to fork we have
  * to wait until he finishes with lock_fork_release()
  *
  * @return
diff --git a/tcutils/README.txt b/tcutils/README.txt
index de75f1b2..31ebb1f8 100644
--- a/tcutils/README.txt
+++ b/tcutils/README.txt
@@ -1,4 +1,4 @@
-A QT based utility program for thinclients using xrdp and NeutrinoRDP
+A QT based utility program for thin clients using xrdp and NeutrinoRDP
 
 This program sends commands to NeutrinoRDP to do something
 useful on the client end (such as unmounting a USB drive,
diff --git a/xrdp/rdp-scan-codes.txt b/xrdp/rdp-scan-codes.txt
index 938ce4c5..5fe06e53 100644
--- a/xrdp/rdp-scan-codes.txt
+++ b/xrdp/rdp-scan-codes.txt
@@ -3,7 +3,7 @@ complete rdp key code listing
 
 en-us
 
-4000s in the down flags columm is from repeating keys(holding a key down)
+4000s in the down flags column is from repeating keys(holding a key down)
 When holding a key down, the down flags repeat but the up flags only
 come once at the end.
 Rdesktop does not do this as of yet.  It always sends down and up