diff --git a/demos/engines/zencod/hw_zencod.c b/demos/engines/zencod/hw_zencod.c
index 29206b4a29..4234b93cbe 100644
--- a/demos/engines/zencod/hw_zencod.c
+++ b/demos/engines/zencod/hw_zencod.c
@@ -1233,7 +1233,7 @@ static const EVP_MD engine_sha1_md =
 	SHA_CBLOCK,
 	/* sizeof ( EVP_MD * ) + sizeof ( SHA_CTX ) */
 	sizeof ( ZEN_MD_DATA )
-	/* sizeof ( MD_CTX_DATA )	The message digest data stucture ... */
+	/* sizeof ( MD_CTX_DATA )	The message digest data structure ... */
 } ;
 
 /* The one for MD5 ... */
@@ -1254,7 +1254,7 @@ static const EVP_MD engine_md5_md =
 	MD5_CBLOCK,
 	/* sizeof ( EVP_MD * ) + sizeof ( MD5_CTX ) */
 	sizeof ( ZEN_MD_DATA )
-	/* sizeof ( MD_CTX_DATA )	The message digest data stucture ... */
+	/* sizeof ( MD_CTX_DATA )	The message digest data structure ... */
 } ;
 
 
diff --git a/doc/openssl.txt b/doc/openssl.txt
index 37730b2cbd..f8817b0a71 100644
--- a/doc/openssl.txt
+++ b/doc/openssl.txt
@@ -778,7 +778,7 @@ called.
 
 The X509V3_EXT_METHOD structure is described below.
 
-strut {
+struct {
 int ext_nid;
 int ext_flags;
 X509V3_EXT_NEW ext_new;
diff --git a/doc/ssleay.txt b/doc/ssleay.txt
index d44d2f04a0..c75312911f 100644
--- a/doc/ssleay.txt
+++ b/doc/ssleay.txt
@@ -4295,7 +4295,7 @@ X-Status:
 Loading client certs into MSIE 3.01
 ===================================
 
-This document conatains all the information necessary to succesfully set up 
+This document contains all the information necessary to successfully set up 
 some scripts to issue client certs to Microsoft Internet Explorer. It 
 includes the required knowledge about the model MSIE uses for client 
 certification and includes complete sample scripts ready to play with. The