diff --git a/README.md b/README.md
index 8034a68a6b..6cfd1980b1 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ At the moment, TDengine server supports running on Linux/Windows/MacOS systems.
 ### For Ubuntu 18.04、20.04、22.04
 
 ```bash
-sudo apt-get udpate
+sudo apt-get update
 sudo apt-get install -y gcc cmake build-essential git libjansson-dev \
   libsnappy-dev liblzma-dev zlib1g-dev pkg-config
 ```
diff --git a/tools/taos-tools/deps/zlib-1.2.13/configure b/tools/taos-tools/deps/zlib-1.2.13/configure
index fa4d5daaba..633b0f4b6a 100755
--- a/tools/taos-tools/deps/zlib-1.2.13/configure
+++ b/tools/taos-tools/deps/zlib-1.2.13/configure
@@ -860,7 +860,7 @@ echo prefix = $prefix >> configure.log
 echo sharedlibdir = $sharedlibdir >> configure.log
 echo uname = $uname >> configure.log
 
-# udpate Makefile with the configure results
+# update Makefile with the configure results
 sed < ${SRCDIR}Makefile.in "
 /^CC *=/s#=.*#=$CC#
 /^CFLAGS *=/s#=.*#=$CFLAGS#