diff --git a/docs/reference.xml b/docs/reference.xml
index d24abee2..82d5956c 100644
--- a/docs/reference.xml
+++ b/docs/reference.xml
@@ -337,7 +337,7 @@
 					<return token="N" description="the equality" valueNotes="1 (equal) or 0 (unequal)"/>
 				</command>
 
-				<command name="strcpy">
+				<command name="substr">
 					<description>Copys a substring out of the original.</description>
 					<arguments>
 						<argument token="S" description="the original string"/>
@@ -350,15 +350,15 @@
 					</remarks>
 					<examples>
 					<example>
-						<code><![CDATA[echo (strcpy abcdefgh 2 5)
+						<code><![CDATA[echo (substr abcdefgh 2 5)
 						cde]]></code>
 					</example>
 					<example>
-						<code><![CDATA[echo (strcpy abcdefgh 2 3)
+						<code><![CDATA[echo (substr abcdefgh 2 3)
 						c]]></code>
 					</example>
 					<example>
-						<code><![CDATA[echo (strcpy abcdefgh 2)
+						<code><![CDATA[echo (substr abcdefgh 2)
 						cdefgh]]></code>
 					</example>
 
diff --git a/source/src/command.cpp b/source/src/command.cpp
index e53aa584..dda0cd43 100644
--- a/source/src/command.cpp
+++ b/source/src/command.cpp
@@ -1214,7 +1214,7 @@ void timestring_()
 
 int millis_() { extern int totalmillis; return totalmillis; }
 void strlen_(char *s) { string r; formatstring(r)("%d", strlen(s)); result(r); }
-void strcpy_(char *s, char *a, char *b)
+void substr_(char *s, char *a, char *b)
 {
 	int ia = atoi(a);
 	int ib = atoi(b);
@@ -1233,7 +1233,7 @@ void l0(int p, int v) { string f; string r; formatstring(f)("%%0%dd", p); format
 
 COMMANDN(millis, millis_, ARG_IVAL);
 COMMANDN(strlen, strlen_, ARG_1STR);
-COMMANDN(strcpy, strcpy_, ARG_3STR);
+COMMANDN(substr, substr_, ARG_3STR);
 COMMAND(l0, ARG_2INT);
 COMMAND(systime, ARG_NONE);
 COMMANDN(timestamp, timestamp_, ARG_NONE);