diff --git a/Contrib/Modern UI 2/Readme.html b/Contrib/Modern UI 2/Readme.html
index 77cc0efd..fcfa07d2 100644
--- a/Contrib/Modern UI 2/Readme.html	
+++ b/Contrib/Modern UI 2/Readme.html	
@@ -1034,7 +1034,7 @@ LangString PAGE_SUBTITLE ${LANG_ENGLISH} "Subtitle"
 Function CustomPageFunction
   !insertmacro MUI_HEADER_TEXT $(PAGE_TITLE) $(PAGE_SUBTITLE)
   ...
-FuctionEnd
+FunctionEnd
 </pre>
                     </div>
                     <h1>
diff --git a/Contrib/Modern UI/Readme.html b/Contrib/Modern UI/Readme.html
index ce601a6a..1dddbe69 100644
--- a/Contrib/Modern UI/Readme.html	
+++ b/Contrib/Modern UI/Readme.html	
@@ -1026,7 +1026,7 @@ LangString PAGE_SUBTITLE ${LANG_ENGLISH} &quot;Subtitle&quot;
 Function CustomPageFunction
   !insertmacro MUI_HEADER_TEXT $(PAGE_TITLE) $(PAGE_SUBTITLE)
   !insertmacro MUI_INSTALLOPTIONS_DISPLAY &quot;ioFile.ini&quot;
-FuctionEnd
+FunctionEnd
 </pre>
                     </div>
                     <h1>
diff --git a/Contrib/MultiUser/MultiUser.nsh b/Contrib/MultiUser/MultiUser.nsh
index cc55ea00..01738267 100644
--- a/Contrib/MultiUser/MultiUser.nsh
+++ b/Contrib/MultiUser/MultiUser.nsh
@@ -188,7 +188,7 @@ Installer/uninstaller initialization
 !macro MULTIUSER_INIT_QUIT UNINSTALLER_FUNCPREFIX
 
   !ifdef MULTIUSER_INIT_${UNINSTALLER_FUNCPREFIX}FUNCTIONQUIT
-    Call "${MULTIUSER_INIT_${UNINSTALLER_FUNCPREFIX}FUCTIONQUIT}
+    Call "${MULTIUSER_INIT_${UNINSTALLER_FUNCPREFIX}FUNCTIONQUIT}"
   !else
     Quit
   !endif
diff --git a/Contrib/MultiUser/Readme.html b/Contrib/MultiUser/Readme.html
index 8ce6de48..586c2ce0 100644
--- a/Contrib/MultiUser/Readme.html
+++ b/Contrib/MultiUser/Readme.html
@@ -365,7 +365,7 @@ FunctionEnd
                     MULTIUSER_INSTALLMODE_UNFUNCTION
                 </td>
                 <td>
-                    A custom fuction to be called during the initialization of the installation mode
+                    A custom function to be called during the initialization of the installation mode
                     to set additional installer settings that depend on the mode
                 </td>
         </table>
diff --git a/Docs/src/basic.but b/Docs/src/basic.but
index 98c1671b..c17268fb 100644
--- a/Docs/src/basic.but
+++ b/Docs/src/basic.but
@@ -40,7 +40,7 @@ Execute the specified program using ShellExecuteEx. Note that action is usually
 
 \c [/INVOKEIDLIST] action command [parameters] [SW_SHOWDEFAULT | SW_SHOWNORMAL | SW_SHOWMAXIMIZED | SW_SHOWMINIMIZED | SW_HIDE]
 
-Execute the specified program using ExecShell and wait for executed process to quit. It will only wait for executable files and not other file types nor URLs.
+Execute the specified program using ExecShell and wait for executed process to quit. It will only wait for executable files, not other file types nor URLs.
 
 \S2{execwait} ExecWait