diff --git a/completion/Makefile b/completion/Makefile
index b6859eac..de492a7c 100644
--- a/completion/Makefile
+++ b/completion/Makefile
@@ -1,4 +1,4 @@
-# See Makfefile.local for the list of files to be compiled in this
+# See Makefile.local for the list of files to be compiled in this
 # directory.
 all:
 	$(MAKE) -C .. all
diff --git a/configure b/configure
index cf525c9f..3999ce8f 100755
--- a/configure
+++ b/configure
@@ -22,7 +22,7 @@ if [ "$srcdir" != "." ]; then
 fi
 
 # Set several defaults (optionally specified by the user in
-# environemnt variables)
+# environment variables)
 CC=${CC:-gcc}
 CXX=${CXX:-g++}
 CFLAGS=${CFLAGS:--O2}
@@ -608,7 +608,7 @@ includedir = ${INCLUDEDIR:=\$(prefix)/include}
 # The directory to which man pages should be installed
 mandir = ${MANDIR:=\$(prefix)/share/man}
 
-# The directory to which read-only (configuration) filesshould be installed
+# The directory to which read-only (configuration) files should be installed
 sysconfdir = ${SYSCONFDIR:=\$(prefix)/etc}
 
 # The directory to which emacs lisp files should be installed
diff --git a/emacs/Makefile b/emacs/Makefile
index b6859eac..de492a7c 100644
--- a/emacs/Makefile
+++ b/emacs/Makefile
@@ -1,4 +1,4 @@
-# See Makfefile.local for the list of files to be compiled in this
+# See Makefile.local for the list of files to be compiled in this
 # directory.
 all:
 	$(MAKE) -C .. all
diff --git a/lib/Makefile b/lib/Makefile
index b6859eac..de492a7c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,4 +1,4 @@
-# See Makfefile.local for the list of files to be compiled in this
+# See Makefile.local for the list of files to be compiled in this
 # directory.
 all:
 	$(MAKE) -C .. all
diff --git a/lib/Makefile.local b/lib/Makefile.local
index 4676504c..a33ba34d 100644
--- a/lib/Makefile.local
+++ b/lib/Makefile.local
@@ -89,7 +89,7 @@ $(dir)/$(LINKER_NAME): $(dir)/$(SONAME)
 
 install: install-$(dir)
 
-# The (often-reused) $dir works fine within targets/pre-requisites,
+# The (often-reused) $dir works fine within targets/prerequisites,
 # but cannot be used reliably within commands, so copy its value to a
 # variable that is not reused.
 lib := $(dir)
diff --git a/test/Makefile b/test/Makefile
index b6859eac..de492a7c 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,4 +1,4 @@
-# See Makfefile.local for the list of files to be compiled in this
+# See Makefile.local for the list of files to be compiled in this
 # directory.
 all:
 	$(MAKE) -C .. all