diff --git a/README.md b/README.md
index 924d664..6186912 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ git clone https://github.com/slaclab/slic
 Create the build directory within your slic project directory:
 
 ```
-mkdir build && build
+mkdir build && cd build
 ```
 
 The SLIC build system is able to download and install all dependencies for the project if they are not found on your system. This requires a multi-step build for the dependencies to first be downloaded and installed before SLIC itself is built.
@@ -176,9 +176,9 @@ make -j8 install
 #### Xerces
 
 ```
-wget https://mirrors.ocf.berkeley.edu/apache//xerces/c/3/sources/xerces-c-3.2.3.tar.gz
-tar -zxf xerces-c-3.2.3.tar.gz
-cd xerces-c-3.2.3 && mkdir build && cd build
+wget https://archive.apache.org/dist/xerces/c/3/sources/xerces-c-3.2.4.tar.gz
+tar -zxf xerces-c-3.2.4.tar.gz
+cd xerces-c-3.2.4 && mkdir build && cd build
 cmake -DBUILD_SHARED_LIBS=ON .. -DCMAKE_INSTALL_PREFIX=../install
 make -j8 install
 ```
diff --git a/cmake/XercesC.cmake b/cmake/XercesC.cmake
index 9555668..86cf5cd 100644
--- a/cmake/XercesC.cmake
+++ b/cmake/XercesC.cmake
@@ -6,7 +6,7 @@ if(NOT XercesC_FOUND)
     set(XercesC_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/XercesC)
     externalproject_add(
         XercesC
-        URL                  "https://downloads.apache.org/xerces/c/3/sources/xerces-c-${XercesC_VERSION}.tar.gz"
+        URL                  "https://archive.apache.org/dist/xerces/c/3/sources/xerces-c-${XercesC_VERSION}.tar.gz"
         SOURCE_DIR           ${CMAKE_BINARY_DIR}/XercesC
         CONFIGURE_COMMAND    CC=${CMAKE_CC_COMPILER} && CXX=${CMAKE_CXX_COMPILER} && ./configure --enable-shared --disable-static --prefix=${XercesC_INSTALL_DIR}
         DOWNLOAD_NO_PROGRESS ON