diff --git a/INSTALL b/INSTALL
index 400513d0a..81f7175d7 100644
--- a/INSTALL
+++ b/INSTALL
@@ -482,7 +482,7 @@ and see what is happening. However it is not convenient at all to observe what
 flags are passed to the compiler nor what compiler is involved. Simply append
 "V=1" to the "make" command line to switch to verbose mode and display the
 details again. It is recommended to use this option when cross-compiling to
-verify that the paths are correct and that /usr/include is never invovled.
+verify that the paths are correct and that /usr/include is never involved.
 
 You may want to build specific target binaries which do not match your native
 compiler's target. This is particularly true on 64-bit systems when you want
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 1998dab6c..5cfda4e4e 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -2986,7 +2986,7 @@ tune.h2.initial-window-size <number>
 
 tune.h2.max-concurrent-streams <number>
   Sets the default HTTP/2 maximum number of concurrent streams per connection
-  (i.e. the number of outstanding requests on a single connection). Ths value
+  (i.e. the number of outstanding requests on a single connection). This value
   is used for incoming connections when tune.h2.fe.max-concurrent-streams is
   not set, and for outgoing connections when tune.h2.be.max-concurrent-streams
   is not set. The default value is 100. The impact varies depending on the side
@@ -3097,7 +3097,7 @@ tune.listener.multi-queue { on | fair | off }
   the probability to find the least loaded thread with the first mode is low.
   Finally it is possible to forcefully disable the redistribution mechanism
   using "off" for troubleshooting, or for situations where connections are
-  short-lived and it is estimated that the operating system alredy provides a
+  short-lived and it is estimated that the operating system already provides a
   good enough distribution. The default is "on".
 
 tune.lua.forced-yield <number>